Mercurial > hg > octave-nkf

annotate scripts/io/strread.m @ 20245:f68c3a62e42c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
strread.m: properly process traling delimiters in case of MultipleDelimsAsOne parameter (bug #44750)
author Philip Nienhuis <prnienhuis@users.sf.net>
date Mon, 06 Apr 2015 23:05:41 +0200
parents e9f89866074c
children e51473fdb622
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
19898
4197fc428c7d maint: Update copyright notices for 2015.
John W. Eaton <jwe@octave.org>
parents: 19793
diff changeset
1 ## Copyright (C) 2009-2015 Eric Chassande-Mottin, CNRS (France)
14582
e97ec01d4157 Correct assignment to wrong variable f headerlines processing
Alexander Graf <a.graf@fz-juelich.de>
parents: 14497
diff changeset
2 ## Parts Copyright (C) 2012 Philip Nienhuis
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
3 ##
11104
2c356a35d7f5 fix copyright notices
John W. Eaton <jwe@octave.org>
parents: 10846
diff changeset
4 ## This file is part of Octave.
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
5 ##
11104
2c356a35d7f5 fix copyright notices
John W. Eaton <jwe@octave.org>
parents: 10846
diff changeset
6 ## Octave is free software; you can redistribute it and/or modify it
2c356a35d7f5 fix copyright notices
John W. Eaton <jwe@octave.org>
parents: 10846
diff changeset
7 ## under the terms of the GNU General Public License as published by
2c356a35d7f5 fix copyright notices
John W. Eaton <jwe@octave.org>
parents: 10846
diff changeset
8 ## the Free Software Foundation; either version 3 of the License, or (at
2c356a35d7f5 fix copyright notices
John W. Eaton <jwe@octave.org>
parents: 10846
diff changeset
9 ## your option) any later version.
2c356a35d7f5 fix copyright notices
John W. Eaton <jwe@octave.org>
parents: 10846
diff changeset
10 ##
2c356a35d7f5 fix copyright notices
John W. Eaton <jwe@octave.org>
parents: 10846
diff changeset
11 ## Octave is distributed in the hope that it will be useful, but
2c356a35d7f5 fix copyright notices
John W. Eaton <jwe@octave.org>
parents: 10846
diff changeset
12 ## WITHOUT ANY WARRANTY; without even the implied warranty of
2c356a35d7f5 fix copyright notices
John W. Eaton <jwe@octave.org>
parents: 10846
diff changeset
13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
2c356a35d7f5 fix copyright notices
John W. Eaton <jwe@octave.org>
parents: 10846
diff changeset
14 ## General Public License for more details.
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
15 ##
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
16 ## You should have received a copy of the GNU General Public License
11104
2c356a35d7f5 fix copyright notices
John W. Eaton <jwe@octave.org>
parents: 10846
diff changeset
17 ## along with Octave; see the file COPYING. If not, see
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
18 ## <http://www.gnu.org/licenses/>.
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
19
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
20 ## -*- texinfo -*-
10793
be55736a0783 Grammarcheck the documentation from m-files.
Rik <octave@nomad.inbox5.com>
parents: 10549
diff changeset
21 ## @deftypefn {Function File} {[@var{a}, @dots{}] =} strread (@var{str})
be55736a0783 Grammarcheck the documentation from m-files.
Rik <octave@nomad.inbox5.com>
parents: 10549
diff changeset
22 ## @deftypefnx {Function File} {[@var{a}, @dots{}] =} strread (@var{str}, @var{format})
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
23 ## @deftypefnx {Function File} {[@var{a}, @dots{}] =} strread (@var{str}, @var{format}, @var{format_repeat})
11150
564e998017f5 docstring fixes
John W. Eaton <jwe@octave.org>
parents: 11147
diff changeset
24 ## @deftypefnx {Function File} {[@var{a}, @dots{}] =} strread (@var{str}, @var{format}, @var{prop1}, @var{value1}, @dots{})
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
25 ## @deftypefnx {Function File} {[@var{a}, @dots{}] =} strread (@var{str}, @var{format}, @var{format_repeat}, @var{prop1}, @var{value1}, @dots{})
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
26 ## Read data from a string.
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
27 ##
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
28 ## The string @var{str} is split into words that are repeatedly matched to the
10793
be55736a0783 Grammarcheck the documentation from m-files.
Rik <octave@nomad.inbox5.com>
parents: 10549
diff changeset
29 ## specifiers in @var{format}. The first word is matched to the first
12879
c3b305e7e59f maint: Reverse previous changeset 875c735c0929
Rik <octave@nomad.inbox5.com>
parents: 12878
diff changeset
30 ## specifier, the second to the second specifier and so forth. If there are
c3b305e7e59f maint: Reverse previous changeset 875c735c0929
Rik <octave@nomad.inbox5.com>
parents: 12878
diff changeset
31 ## more words than specifiers, the process is repeated until all words have
c3b305e7e59f maint: Reverse previous changeset 875c735c0929
Rik <octave@nomad.inbox5.com>
parents: 12878
diff changeset
32 ## been processed.
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
33 ##
10793
be55736a0783 Grammarcheck the documentation from m-files.
Rik <octave@nomad.inbox5.com>
parents: 10549
diff changeset
34 ## The string @var{format} describes how the words in @var{str} should be
be55736a0783 Grammarcheck the documentation from m-files.
Rik <octave@nomad.inbox5.com>
parents: 10549
diff changeset
35 ## parsed.
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
36 ## It may contain any combination of the following specifiers:
14327
4d917a6a858b doc: Use Octave coding conventions in @example blocks of docstrings.
Rik <octave@nomad.inbox5.com>
parents: 14317
diff changeset
37 ##
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
38 ## @table @code
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
39 ## @item %s
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
40 ## The word is parsed as a string.
10821
693e22af08ae Grammarcheck documentation of m-files
Rik <octave@nomad.inbox5.com>
parents: 10793
diff changeset
41 ##
16094
8899c785cc99 doc: Fix warnings associated with Texinfo 5.0 (bug #38392)
Rik <rik@octave.org>
parents: 15855
diff changeset
42 ## @item %f
12914
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
43 ## @itemx %n
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
44 ## The word is parsed as a number and converted to double.
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
45 ##
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
46 ## @item %d
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
47 ## @itemx %u
12914
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
48 ## The word is parsed as a number and converted to int32.
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
49 ##
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
50 ## @item %*', '%*f', '%*s
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
51 ## The word is skipped.
10821
693e22af08ae Grammarcheck documentation of m-files
Rik <octave@nomad.inbox5.com>
parents: 10793
diff changeset
52 ##
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
53 ## For %s and %d, %f, %n, %u and the associated %*s @dots{} specifiers an
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
54 ## optional width can be specified as %Ns, etc. where N is an integer > 1.
12914
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
55 ## For %f, format specifiers like %N.Mf are allowed.
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
56 ##
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
57 ## @item literals
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
58 ## In addition the format may contain literal character strings; these will be
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
59 ## skipped during reading.
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
60 ## @end table
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
61 ##
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
62 ## Parsed word corresponding to the first specifier are returned in the first
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
63 ## output argument and likewise for the rest of the specifiers.
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
64 ##
10793
be55736a0783 Grammarcheck the documentation from m-files.
Rik <octave@nomad.inbox5.com>
parents: 10549
diff changeset
65 ## By default, @var{format} is @t{"%f"}, meaning that numbers are read from
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
66 ## @var{str}. This will do if @var{str} contains only numeric fields.
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
67 ##
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
68 ## For example, the string
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
69 ##
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
70 ## @example
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
71 ## @group
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
72 ## @var{str} = "\
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
73 ## Bunny Bugs 5.5\n\
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
74 ## Duck Daffy -7.5e-5\n\
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
75 ## Penguin Tux 6"
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
76 ## @end group
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
77 ## @end example
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
78 ##
10846
a4f482e66b65 Grammarcheck more of the documentation.
Rik <octave@nomad.inbox5.com>
parents: 10821
diff changeset
79 ## @noindent
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
80 ## can be read using
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
81 ##
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
82 ## @example
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
83 ## [@var{a}, @var{b}, @var{c}] = strread (@var{str}, "%s %s %f");
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
84 ## @end example
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
85 ##
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
86 ## Optional numeric argument @var{format_repeat} can be used for
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
87 ## limiting the number of items read:
14327
4d917a6a858b doc: Use Octave coding conventions in @example blocks of docstrings.
Rik <octave@nomad.inbox5.com>
parents: 14317
diff changeset
88 ##
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
89 ## @table @asis
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
90 ## @item -1
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
91 ## (default) read all of the string until the end.
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
92 ##
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
93 ## @item N
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
94 ## Read N times @var{nargout} items. 0 (zero) is an acceptable
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
95 ## value for @var{format_repeat}.
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
96 ## @end table
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
97 ##
11575
d6619410e79c Spellcheck documentation before 3.4 release.
Rik <octave@nomad.inbox5.com>
parents: 11564
diff changeset
98 ## The behavior of @code{strread} can be changed via property-value
11147
a81994607ca0 document textscan and textread
John W. Eaton <jwe@octave.org>
parents: 11127
diff changeset
99 ## pairs. The following properties are recognized:
a81994607ca0 document textscan and textread
John W. Eaton <jwe@octave.org>
parents: 11127
diff changeset
100 ##
11595
5ec6aa05638d Prevent doubled quotes around @table items in Info.
Rik <octave@nomad.inbox5.com>
parents: 11589
diff changeset
101 ## @table @asis
17281
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 16933
diff changeset
102 ## @item @qcode{"commentstyle"}
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
103 ## Parts of @var{str} are considered comments and will be skipped.
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
104 ## @var{value} is the comment style and can be any of the following.
14366
b76f0740940e doc: Periodic grammar check of documentation.
Rik <octave@nomad.inbox5.com>
parents: 14363
diff changeset
105 ##
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
106 ## @itemize
17281
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 16933
diff changeset
107 ## @item @qcode{"shell"}
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
108 ## Everything from @code{#} characters to the nearest end-of-line is skipped.
10821
693e22af08ae Grammarcheck documentation of m-files
Rik <octave@nomad.inbox5.com>
parents: 10793
diff changeset
109 ##
17281
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 16933
diff changeset
110 ## @item @qcode{"c"}
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
111 ## Everything between @code{/*} and @code{*/} is skipped.
10821
693e22af08ae Grammarcheck documentation of m-files
Rik <octave@nomad.inbox5.com>
parents: 10793
diff changeset
112 ##
17281
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 16933
diff changeset
113 ## @item @qcode{"c++"}
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
114 ## Everything from @code{//} characters to the nearest end-of-line is skipped.
10821
693e22af08ae Grammarcheck documentation of m-files
Rik <octave@nomad.inbox5.com>
parents: 10793
diff changeset
115 ##
17281
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 16933
diff changeset
116 ## @item @qcode{"matlab"}
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
117 ## Everything from @code{%} characters to the nearest end-of-line is skipped.
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
118 ##
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
119 ## @item user-supplied. Two options:
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
120 ## (1) One string, or 1x1 cell string: Skip everything to the right of it;
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
121 ## (2) 2x1 cell string array: Everything between the left and right strings
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
122 ## is skipped.
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
123 ## @end itemize
10821
693e22af08ae Grammarcheck documentation of m-files
Rik <octave@nomad.inbox5.com>
parents: 10793
diff changeset
124 ##
17281
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 16933
diff changeset
125 ## @item @qcode{"delimiter"}
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12940
diff changeset
126 ## Any character in @var{value} will be used to split @var{str} into words
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
127 ## (default value = any whitespace).
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
128 ##
17281
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 16933
diff changeset
129 ## @item @qcode{"emptyvalue"}:
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
130 ## Value to return for empty numeric values in non-whitespace delimited data.
14119
94e2a76f1e5a doc: Final grammarcheck and spellcheck before 3.6.0 release.
Rik <octave@nomad.inbox5.com>
parents: 14096
diff changeset
131 ## The default is NaN@. When the data type does not support NaN
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
132 ## (int32 for example), then default is zero.
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
133 ##
17281
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 16933
diff changeset
134 ## @item @qcode{"multipledelimsasone"}
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
135 ## Treat a series of consecutive delimiters, without whitespace in between,
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12940
diff changeset
136 ## as a single delimiter. Consecutive delimiter series need not be vertically
17281
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 16933
diff changeset
137 ## @qcode{"aligned"}.
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
138 ##
17281
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 16933
diff changeset
139 ## @item @qcode{"treatasempty"}
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
140 ## Treat single occurrences (surrounded by delimiters or whitespace) of the
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
141 ## string(s) in @var{value} as missing values.
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
142 ##
17281
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 16933
diff changeset
143 ## @item @qcode{"returnonerror"}
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
144 ## If @var{value} true (1, default), ignore read errors and return normally.
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
145 ## If false (0), return an error.
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
146 ##
17281
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 16933
diff changeset
147 ## @item @qcode{"whitespace"}
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
148 ## Any character in @var{value} will be interpreted as whitespace and
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
149 ## trimmed; the string defining whitespace must be enclosed in double
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
150 ## quotes for proper processing of special characters like \t.
17281
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 16933
diff changeset
151 ## The default value for whitespace = @qcode{" \b\r\n\t"} (note the space).
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 16933
diff changeset
152 ## Unless whitespace is set to '' (empty) AND at least one @qcode{"%s"} format
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
153 ## conversion specifier is supplied, a space is always part of whitespace.
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12940
diff changeset
154 ##
11150
564e998017f5 docstring fixes
John W. Eaton <jwe@octave.org>
parents: 11147
diff changeset
155 ## @end table
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
156 ##
14799
21197c43f984 Better Matlab compatibility of textscan, bugs #36356 and #36392
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14582
diff changeset
157 ## When the number of words in @var{str} doesn't match an exact multiple
21197c43f984 Better Matlab compatibility of textscan, bugs #36356 and #36392
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14582
diff changeset
158 ## of the number of format conversion specifiers, strread's behavior
21197c43f984 Better Matlab compatibility of textscan, bugs #36356 and #36392
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14582
diff changeset
159 ## depends on the last character of @var{str}:
21197c43f984 Better Matlab compatibility of textscan, bugs #36356 and #36392
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14582
diff changeset
160 ##
21197c43f984 Better Matlab compatibility of textscan, bugs #36356 and #36392
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14582
diff changeset
161 ## @table @asis
17281
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 16933
diff changeset
162 ## @item last character = @qcode{"\n"}
14799
21197c43f984 Better Matlab compatibility of textscan, bugs #36356 and #36392
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14582
diff changeset
163 ## Data columns are padded with empty fields or Nan so that all columns
19790
446c46af4b42 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19050
diff changeset
164 ## have equal length
14799
21197c43f984 Better Matlab compatibility of textscan, bugs #36356 and #36392
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14582
diff changeset
165 ##
17281
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 16933
diff changeset
166 ## @item last character is not @qcode{"\n"}
14799
21197c43f984 Better Matlab compatibility of textscan, bugs #36356 and #36392
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14582
diff changeset
167 ## Data columns are not padded; strread returns columns of unequal length
21197c43f984 Better Matlab compatibility of textscan, bugs #36356 and #36392
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14582
diff changeset
168 ##
21197c43f984 Better Matlab compatibility of textscan, bugs #36356 and #36392
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14582
diff changeset
169 ## @end table
21197c43f984 Better Matlab compatibility of textscan, bugs #36356 and #36392
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14582
diff changeset
170 ##
14853
72b8b39e12be doc: Periodic grammarcheck of documentation.
Rik <octave@nomad.inbox5.com>
parents: 14835
diff changeset
171 ## @seealso{textscan, textread, load, dlmread, fscanf}
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
172 ## @end deftypefn
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
173
11469
c776f063fefe Overhaul m-script files to use common variable name between code and documentation.
Rik <octave@nomad.inbox5.com>
parents: 11343
diff changeset
174 function varargout = strread (str, format = "%f", varargin)
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
175
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
176 ## Check input
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
177 if (nargin < 1)
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
178 print_usage ();
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
179 endif
19790
446c46af4b42 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19050
diff changeset
180
14497
9fc75cdf61ab strread.m: Trap empty string input (bug #35999)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14366
diff changeset
181 if (isempty (str))
9fc75cdf61ab strread.m: Trap empty string input (bug #35999)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14366
diff changeset
182 ## Return empty args (no match), rather than raising an error
9fc75cdf61ab strread.m: Trap empty string input (bug #35999)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14366
diff changeset
183 varargout = cell (1, nargout);
9fc75cdf61ab strread.m: Trap empty string input (bug #35999)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14366
diff changeset
184 return;
9fc75cdf61ab strread.m: Trap empty string input (bug #35999)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14366
diff changeset
185 endif
11587
c792872f8942 all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents: 11575
diff changeset
186
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
187 if (isempty (format))
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
188 format = "%f";
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
189 endif
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
190
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
191 if (! ischar (str) || ! ischar (format))
11472
1740012184f9 Use uppercase for variable names in error() strings to match Info documentation. Only m-files done.
Rik <octave@nomad.inbox5.com>
parents: 11469
diff changeset
192 error ("strread: STR and FORMAT arguments must be strings");
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
193 endif
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
194
19050
c32f378e08f3 * strread.m: Process string escapes on single quoted format (bug #42609)
John W. Eaton <jwe@octave.org>
parents: 19049
diff changeset
195 if (strcmp (typeinfo (format), "sq_string"))
c32f378e08f3 * strread.m: Process string escapes on single quoted format (bug #42609)
John W. Eaton <jwe@octave.org>
parents: 19049
diff changeset
196 format = do_string_escapes (format);
c32f378e08f3 * strread.m: Process string escapes on single quoted format (bug #42609)
John W. Eaton <jwe@octave.org>
parents: 19049
diff changeset
197 endif
c32f378e08f3 * strread.m: Process string escapes on single quoted format (bug #42609)
John W. Eaton <jwe@octave.org>
parents: 19049
diff changeset
198
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
199 ## Parse format string to compare number of conversion fields and nargout
19241
c573d9c70ae5 Better checks for valid format conversion specifiers in textscan. & strread.m
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 19058
diff changeset
200 nfields = numel (regexp (format, '(%(\d*|\d*\.\d*)?[nfduscq]|%\[)', "match"));
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
201 ## If str only has numeric fields, a (default) format ("%f") will do.
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
202 ## Otherwise:
19241
c573d9c70ae5 Better checks for valid format conversion specifiers in textscan. & strread.m
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 19058
diff changeset
203 if (! nfields)
c573d9c70ae5 Better checks for valid format conversion specifiers in textscan. & strread.m
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 19058
diff changeset
204 error ("strread.m: no valid format conversion specifiers found\n");
c573d9c70ae5 Better checks for valid format conversion specifiers in textscan. & strread.m
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 19058
diff changeset
205 elseif ((max (nargout, 1) != nfields) && ! strcmp (format, "%f"))
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
206 error ("strread: the number of output variables must match that specified by FORMAT");
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
207 endif
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
208
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
209 ## Check for format string repeat count
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
210 format_repeat_count = -1;
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
211 if (nargin > 2 && isnumeric (varargin{1}))
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
212 if (varargin{1} >= 0)
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
213 format_repeat_count = varargin{1};
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
214 endif
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
215 if (nargin > 3)
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
216 varargin = varargin(2:end);
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
217 else
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
218 varargin = {};
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
219 endif
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
220 endif
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
221
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
222 ## Parse options. First initialize defaults
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
223 comment_flag = false;
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
224 delimiter_str = "";
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
225 empty_str = "";
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
226 eol_char = "";
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
227 err_action = 0;
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
228 mult_dlms_s1 = false;
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
229 numeric_fill_value = NaN;
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
230 white_spaces = " \b\r\n\t";
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
231 for n = 1:2:length (varargin)
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
232 switch (lower (varargin{n}))
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
233 case "bufsize"
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
234 ## We could synthesize this, but that just seems weird...
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
235 warning ("strread: property 'bufsize' is not implemented");
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
236 case "commentstyle"
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
237 comment_flag = true;
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
238 switch (lower (varargin{n+1}))
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
239 case "c"
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
240 [comment_start, comment_end] = deal ("/*", "*/");
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
241 case "c++"
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
242 [comment_start, comment_end] = deal ("//", "eol_char");
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
243 case "shell"
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
244 [comment_start, comment_end] = deal ("#" , "eol_char");
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
245 case "matlab"
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
246 [comment_start, comment_end] = deal ("%" , "eol_char");
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
247 otherwise
20072
e9f89866074c maint: Cleanup some .m files to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents: 20038
diff changeset
248 if (ischar (varargin{n+1})
e9f89866074c maint: Cleanup some .m files to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents: 20038
diff changeset
249 || (numel (varargin{n+1}) == 1 && iscellstr (varargin{n+1})))
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
250 [comment_start, comment_end] = deal (char (varargin{n+1}), "eol_char");
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
251 elseif (iscellstr (varargin{n+1}) && numel (varargin{n+1}) == 2)
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
252 [comment_start, comment_end] = deal (varargin{n+1}{:});
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
253 else
19047
7bbe3658c5ef maint: Use "FIXME:" coding convention in m-files.
Rik <rik@octave.org>
parents: 18146
diff changeset
254 ## FIXME: A user may have numeric values specified: {'//', 7}
7bbe3658c5ef maint: Use "FIXME:" coding convention in m-files.
Rik <rik@octave.org>
parents: 18146
diff changeset
255 ## this will lead to an error in the warning message
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12940
diff changeset
256 error ("strread: unknown or unrecognized comment style '%s'",
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
257 varargin{n+1});
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
258 endif
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
259 endswitch
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
260 case "delimiter"
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
261 delimiter_str = varargin{n+1};
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
262 if (strcmp (typeinfo (delimiter_str), "sq_string"))
13715
f8eca611e18f When single-quoted, the strread() "delimiter", "endofline", and "whitespace"
Ben Abbott <bpabbott@mac.com>
parents: 13176
diff changeset
263 delimiter_str = do_string_escapes (delimiter_str);
f8eca611e18f When single-quoted, the strread() "delimiter", "endofline", and "whitespace"
Ben Abbott <bpabbott@mac.com>
parents: 13176
diff changeset
264 endif
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
265 case "emptyvalue"
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
266 numeric_fill_value = varargin{n+1};
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
267 case "expchars"
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
268 warning ("strread: property 'expchars' is not implemented");
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
269 case "whitespace"
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
270 white_spaces = varargin{n+1};
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
271 if (strcmp (typeinfo (white_spaces), "sq_string"))
13715
f8eca611e18f When single-quoted, the strread() "delimiter", "endofline", and "whitespace"
Ben Abbott <bpabbott@mac.com>
parents: 13176
diff changeset
272 white_spaces = do_string_escapes (white_spaces);
f8eca611e18f When single-quoted, the strread() "delimiter", "endofline", and "whitespace"
Ben Abbott <bpabbott@mac.com>
parents: 13176
diff changeset
273 endif
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
274 ## The following parameters are specific to textscan and textread
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
275 case "endofline"
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
276 eol_char = varargin{n+1};
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
277 if (strcmp (typeinfo (eol_char), "sq_string"))
13715
f8eca611e18f When single-quoted, the strread() "delimiter", "endofline", and "whitespace"
Ben Abbott <bpabbott@mac.com>
parents: 13176
diff changeset
278 eol_char = do_string_escapes (eol_char);
f8eca611e18f When single-quoted, the strread() "delimiter", "endofline", and "whitespace"
Ben Abbott <bpabbott@mac.com>
parents: 13176
diff changeset
279 endif
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
280 case "returnonerror"
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
281 err_action = varargin{n+1};
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
282 case "multipledelimsasone"
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
283 mult_dlms_s1 = varargin{n+1};
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
284 case "treatasempty"
12879
c3b305e7e59f maint: Reverse previous changeset 875c735c0929
Rik <octave@nomad.inbox5.com>
parents: 12878
diff changeset
285 if (iscellstr (varargin{n+1}))
c3b305e7e59f maint: Reverse previous changeset 875c735c0929
Rik <octave@nomad.inbox5.com>
parents: 12878
diff changeset
286 empty_str = varargin{n+1};
c3b305e7e59f maint: Reverse previous changeset 875c735c0929
Rik <octave@nomad.inbox5.com>
parents: 12878
diff changeset
287 elseif (ischar (varargin{n+1}))
c3b305e7e59f maint: Reverse previous changeset 875c735c0929
Rik <octave@nomad.inbox5.com>
parents: 12878
diff changeset
288 empty_str = varargin(n+1);
c3b305e7e59f maint: Reverse previous changeset 875c735c0929
Rik <octave@nomad.inbox5.com>
parents: 12878
diff changeset
289 else
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
290 error ("strread: 'treatasempty' value must be string or cellstr");
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
291 endif
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
292 otherwise
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
293 warning ("strread: unknown property '%s'", varargin{n});
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
294 endswitch
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
295 endfor
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
296
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
297 ## First parse of FORMAT
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
298 if (strcmpi (strtrim (format), "%f"))
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
299 ## Default format specified. Expand it (to desired nargout)
16306
4a3b6a80db2e strread.m: fix division by zero when called with no output args; test added
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 16094
diff changeset
300 fmt_words = cell (max (nargout, 1), 1);
4a3b6a80db2e strread.m: fix division by zero when called with no output args; test added
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 16094
diff changeset
301 fmt_words (1:max (nargout, 1)) = format;
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
302 else
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
303 ## Determine the number of words per line as a first guess. Forms
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
304 ## like %f<literal>) (w/o delimiter in between) are fixed further on
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
305 format = strrep (format, "%", " %");
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
306 fmt_words = regexp (format, '[^ ]+', "match");
19790
446c46af4b42 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 19050
diff changeset
307
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
308 ## Find position of conversion specifiers (they start with %)
19241
c573d9c70ae5 Better checks for valid format conversion specifiers in textscan. & strread.m
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 19058
diff changeset
309 fcs_ptrn = '(%\*?(\d*|\d*\.\d*)?[nfduscq]|%\*?\[)';
c573d9c70ae5 Better checks for valid format conversion specifiers in textscan. & strread.m
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 19058
diff changeset
310 idy2 = find (! cellfun ("isempty", regexp (fmt_words, fcs_ptrn)));
14802
d5aee269b770 strread.m: catch unsupported ML format specifiers (bug #36464)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14800
diff changeset
311
d5aee269b770 strread.m: catch unsupported ML format specifiers (bug #36464)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14800
diff changeset
312 ## Check for unsupported format specifiers
d5aee269b770 strread.m: catch unsupported ML format specifiers (bug #36464)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14800
diff changeset
313 errpat = '(\[.*\]|[cq]|[nfdu]8|[nfdu]16|[nfdu]32|[nfdu]64)';
d5aee269b770 strread.m: catch unsupported ML format specifiers (bug #36464)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14800
diff changeset
314 if (! all (cellfun ("isempty", regexp (fmt_words(idy2), errpat))))
d5aee269b770 strread.m: catch unsupported ML format specifiers (bug #36464)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14800
diff changeset
315 error ("strread: %q, %c, %[] or bit width format specifiers are not supported yet.");
d5aee269b770 strread.m: catch unsupported ML format specifiers (bug #36464)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14800
diff changeset
316 endif
d5aee269b770 strread.m: catch unsupported ML format specifiers (bug #36464)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14800
diff changeset
317
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
318 ## Format conversion specifiers following literals w/o space/delim
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
319 ## in between are separate now. Separate those w trailing literals
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
320 a = strfind (fmt_words(idy2), "%");
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
321 b = regexp (fmt_words(idy2), '[nfdus]', "end");
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
322 for jj = 1:numel (a)
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
323 ## From right to left to avoid losing track
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
324 ii = numel (a) - jj + 1;
16571
4d8462fe15b9 strread.m: catch unknown format specifiers (bug #38834)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 16412
diff changeset
325 ## Check for illegal format specifiers
4d8462fe15b9 strread.m: catch unknown format specifiers (bug #38834)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 16412
diff changeset
326 if (isempty (b{ii}))
4d8462fe15b9 strread.m: catch unknown format specifiers (bug #38834)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 16412
diff changeset
327 error ("strread: unknown format specifier #%d ('%s')\n",
4d8462fe15b9 strread.m: catch unknown format specifiers (bug #38834)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 16412
diff changeset
328 ii, fmt_words{idy2(ii)});
4d8462fe15b9 strread.m: catch unknown format specifiers (bug #38834)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 16412
diff changeset
329 endif
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
330 if (! (length (fmt_words{idy2(ii)}) == b{ii}(1)))
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
331 ## Split fmt_words(ii) into % conv specifier and trailing literal
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
332 fmt_words(idy2(ii)+1 : end+1) = fmt_words(idy2(ii) : end);
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
333 fmt_words{idy2(ii)} = fmt_words{idy2(ii)}(a{ii} : b{ii}(1));
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
334 fmt_words{idy2(ii)+1} = fmt_words{idy2(ii)+1}(b{ii}+1:end);
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
335 endif
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
336 endfor
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
337 endif
11127
64728cd28d7a strread.m: Improve compatibility with Matlab.
Ben Abbott <bpabbott@mac.com>
parents: 11120
diff changeset
338 num_words_per_line = numel (fmt_words);
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
339
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
340 ## Special handling for CRLF EOL character in str
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
341 if (! isempty (eol_char) && strcmp (eol_char, "\r\n"))
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
342 ## Strip CR from CRLF sequences
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
343 str = strrep (str, "\r\n", "\n");
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
344 ## CR serves no further purpose in function
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
345 eol_char = "\n";
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
346 endif
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
347
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
348 ## Remove comments in str
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
349 if (comment_flag)
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
350 ## Expand 'eol_char' here, after option processing which may have set value
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
351 comment_end = regexprep (comment_end, "eol_char", eol_char);
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
352 cstart = strfind (str, comment_start);
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
353 cstop = strfind (str, comment_end);
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
354 ## Treat end of string as additional comment stop
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
355 if (isempty (cstop) || cstop(end) != length (str))
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
356 cstop(end+1) = length (str);
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
357 endif
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
358 if (! isempty (cstart))
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
359 ## Ignore nested openers.
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
360 [idx, cidx] = unique (lookup (cstop, cstart), "first");
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
361 if (idx(end) == length (cstop))
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
362 cidx(end) = []; # Drop the last one if orphaned.
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
363 endif
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
364 cstart = cstart(cidx);
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
365 endif
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
366 if (! isempty (cstop))
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
367 ## Ignore nested closers.
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
368 [idx, cidx] = unique (lookup (cstart, cstop), "first");
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
369 if (idx(1) == 0)
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
370 cidx(1) = []; # Drop the first one if orphaned.
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
371 endif
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
372 cstop = cstop(cidx);
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
373 endif
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
374 len = length (str);
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
375 c2len = length (comment_end);
19899
4aa17069a007 Fix incorrect strread behavior with option "commentstyle" (bug #43972)
Massimiliano Fasi <massimiliano.fasi@gmail.com>
parents: 19898
diff changeset
376 if (cstop + c2len == len)
4aa17069a007 Fix incorrect strread behavior with option "commentstyle" (bug #43972)
Massimiliano Fasi <massimiliano.fasi@gmail.com>
parents: 19898
diff changeset
377 ## Ignore last char of to-the-end-of-line comments
4aa17069a007 Fix incorrect strread behavior with option "commentstyle" (bug #43972)
Massimiliano Fasi <massimiliano.fasi@gmail.com>
parents: 19898
diff changeset
378 c2len++;
4aa17069a007 Fix incorrect strread behavior with option "commentstyle" (bug #43972)
Massimiliano Fasi <massimiliano.fasi@gmail.com>
parents: 19898
diff changeset
379 end
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
380 str = cellslices (str, [1, cstop + c2len], [cstart - 1, len]);
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
381 str = [str{:}];
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
382 endif
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
383
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
384 if (! isempty (white_spaces))
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
385 ## For numeric fields, whitespace is always a delimiter, but not for text
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
386 ## fields
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
387 if (isempty (strfind (format, "%s")))
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
388 ## Add whitespace to delimiter set
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
389 delimiter_str = unique ([white_spaces delimiter_str]);
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
390 else
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
391 ## Remove any delimiter chars from white_spaces list
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
392 white_spaces = setdiff (white_spaces, delimiter_str);
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
393 endif
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
394 endif
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
395 if (isempty (delimiter_str))
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
396 delimiter_str = " ";
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
397 endif
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
398 if (! isempty (eol_char))
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
399 ## Add eol_char to delimiter collection
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
400 delimiter_str = unique ([delimiter_str eol_char]);
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
401 ## .. and remove it from whitespace collection
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
402 white_spaces = strrep (white_spaces, eol_char, '');
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
403 endif
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
404
19049
35838f49e2f6 strread.m: drop valid delimiters from format specifier list (bug #42609)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 17744
diff changeset
405 ii = numel (fmt_words);
35838f49e2f6 strread.m: drop valid delimiters from format specifier list (bug #42609)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 17744
diff changeset
406 while (ii > 0)
35838f49e2f6 strread.m: drop valid delimiters from format specifier list (bug #42609)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 17744
diff changeset
407 if (ismember (fmt_words{ii}, delimiter_str)(1))
35838f49e2f6 strread.m: drop valid delimiters from format specifier list (bug #42609)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 17744
diff changeset
408 fmt_words(ii) = [];
35838f49e2f6 strread.m: drop valid delimiters from format specifier list (bug #42609)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 17744
diff changeset
409 --num_words_per_line;
35838f49e2f6 strread.m: drop valid delimiters from format specifier list (bug #42609)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 17744
diff changeset
410 endif
35838f49e2f6 strread.m: drop valid delimiters from format specifier list (bug #42609)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 17744
diff changeset
411 --ii;
35838f49e2f6 strread.m: drop valid delimiters from format specifier list (bug #42609)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 17744
diff changeset
412 endwhile
35838f49e2f6 strread.m: drop valid delimiters from format specifier list (bug #42609)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 17744
diff changeset
413
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
414 pad_out = 0;
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
415 ## Trim whitespace if needed
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
416 if (! isempty (white_spaces))
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
417 ## Check if trailing "\n" might signal padding output arrays to equal size
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
418 ## before it is trimmed away below
18146
f8b7e8483b88 avoid possible num-to-str warnings from strread.m
John W. Eaton <jwe@octave.org>
parents: 17744
diff changeset
419 if (str(end) == "\n" && nargout > 1)
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
420 pad_out = 1;
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
421 endif
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
422 ## Condense all repeated whitespace into one single space
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
423 ## FIXME: this will also fold repeated whitespace in a char field
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
424 rxp_wsp = sprintf ("[%s]+", white_spaces);
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
425 str = regexprep (str, rxp_wsp, ' ');
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
426 ## Remove possible leading space at string
18146
f8b7e8483b88 avoid possible num-to-str warnings from strread.m
John W. Eaton <jwe@octave.org>
parents: 17744
diff changeset
427 if (str(1) == " ")
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
428 str = str(2:end);
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
429 endif
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
430 ## Check for single delimiter followed/preceded by whitespace
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
431 if (! isempty (delimiter_str))
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
432 dlmstr = setdiff (delimiter_str, " ");
15263
2136343014d5 bug #37023 (wrong reading of lines starting and/or ending with whitespace)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14868
diff changeset
433 if (! isempty (dlmstr))
2136343014d5 bug #37023 (wrong reading of lines starting and/or ending with whitespace)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14868
diff changeset
434 rxp_dlmwsp = sprintf ('( [%s] | [%s]|[%s] )', dlmstr, dlmstr, dlmstr);
2136343014d5 bug #37023 (wrong reading of lines starting and/or ending with whitespace)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14868
diff changeset
435 str = regexprep (str, rxp_dlmwsp, delimiter_str(1));
2136343014d5 bug #37023 (wrong reading of lines starting and/or ending with whitespace)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14868
diff changeset
436 endif
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
437 endif
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
438 ## Wipe leading and trailing whitespace on each line (it may be
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
439 ## delimiter too)
12914
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
440 ## FIXME: Double strrep on str is enormously expensive of CPU time.
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
441 ## Can this be eliminated
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
442 if (! isempty (eol_char))
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
443 str = strrep (str, [eol_char " "], eol_char);
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
444 str = strrep (str, [" " eol_char], eol_char);
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
445 endif
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
446 endif
11587
c792872f8942 all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents: 11575
diff changeset
447
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
448 ## Split 'str' into words
12914
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
449 words = split_by (str, delimiter_str, mult_dlms_s1, eol_char);
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
450 if (! isempty (white_spaces))
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
451 ## Trim leading and trailing 'white_spaces'. All whitespace has
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
452 ## been converted to space above
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
453 words = strtrim (words);
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
454 endif
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
455 num_words = numel (words);
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
456 ## First guess at nr. of lines in file (ignoring leading/trailing literals)
12879
c3b305e7e59f maint: Reverse previous changeset 875c735c0929
Rik <octave@nomad.inbox5.com>
parents: 12878
diff changeset
457 num_lines = ceil (num_words / num_words_per_line);
11587
c792872f8942 all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents: 11575
diff changeset
458
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
459 ## Replace TreatAsEmpty char sequences by empty strings
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
460 if (! isempty (empty_str))
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
461 for ii = 1:numel (empty_str)
14213
a022c04f68cc Replace to-be-deprecated strmatch occurrences with alternate code.
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
462 idz = strncmp (empty_str{ii}, words, length (empty_str{ii}));
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
463 words(idz) = {""};
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
464 endfor
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
465 endif
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12940
diff changeset
466
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
467 ## fmt_words has been split properly now, but words{} has only been split on
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
468 ## delimiter positions. As numeric fields can also be separated by
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
469 ## whitespace, more splits may be needed.
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
470 ## We also don't know the number of lines (as EndOfLine may have been set to
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
471 ## "" (empty) by the caller).
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
472 ##
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
473 ## We also may have to cope with 3 cases as far as literals go:
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
474 ## A: Trailing literals (%f<literal>) w/o delimiter in between.
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
475 ## B: Leading literals (<literal>%f) w/o delimiter in between.
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
476 ## C. Skipping leftover parts of specified skip fields (%*N )
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
477 ## Some words columns may have to be split further to fix these.
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
478 ## To find out, we'll match fmt_words to the words array to see what
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
479 ## needs to be done. fwptr tracks which {fmt_words}# starts in what {words}#
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
480
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
481 ## Find indices and pointers to possible literals in fmt_words
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
482 idf = cellfun ("isempty", strfind (fmt_words, "%"));
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
483 ## Find indices and pointers to conversion specifiers with fixed width
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
484 idg = ! cellfun ("isempty", regexp (fmt_words, '%\*?\d'));
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12940
diff changeset
485 idy = find (idf | idg);
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
486 ## Find indices to numeric conversion specifiers
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
487 idn = ! cellfun ("isempty", regexp (fmt_words, '%[dnfu]'));
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
488
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
489 ## If needed, split up columns in three steps:
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
490 if (! isempty (idy))
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12940
diff changeset
491 ## Try-catch because complexity of strings to read can be infinite
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
492 try
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
493
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
494 ## 1. Assess "period" in the split-up words array ( < num_words_per_line).
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
495 ## Could be done using EndOfLine but that prohibits EndOfLine = "" option.
20038
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
496 ## Alternative below goes by simply parsing a first grab of words and
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
497 ## matching fmt_words to words until the fmt_words array is exhausted.
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
498 ## iwrd: ptr to current analyzed word.
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
499 ## iwrdp: ptr to pos before analyzed char.
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
500 iwrd = 1; iwrdp = 0; iwrdl = length (words{1});
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
501 fwptr = zeros (1, numel (fmt_words));
14800
a922f768ee09 textscan, strread: improved ML compatibility (bug 36398)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14799
diff changeset
502 ii = 1;
16933
e39f00a32dc7 maint: Use parentheses around condition for switch(),while(),if() statements.
Rik <rik@octave.org>
parents: 16724
diff changeset
503 while (ii <= numel (fmt_words))
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
504
14317
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
505 nxt_wrd = 0;
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
506 ## Keep track of which words nr. every fmt_words{} is (starts) in.
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
507 fwptr(ii) = iwrd;
14317
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
508
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
509 if (idf(ii))
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
510 ## Literal expected
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
511 if (isempty (strfind (fmt_words{ii}, words(iwrd))))
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
512 ## Not found in current word; supposed to be in next word
14317
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
513 nxt_wrd = 1;
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
514 else
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
515 ## Found it in current word. Subtract literal length
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
516 iwrdp += length (fmt_words{ii});
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
517 if (iwrdp > iwrdl)
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
518 ## Parse error. Literal extends beyond delimiter (word boundary)
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
519 warning ("strread: literal '%s' (fmt spec # %d) does not match data", ...
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
520 fmt_words{ii}, ii);
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
521 ## Word assumed to be completely "used up". Next word
14317
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
522 nxt_wrd = 1;
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
523 elseif (iwrdp == iwrdl)
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
524 ## Word completely "used up". Next word
14317
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
525 nxt_wrd = 1;
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
526 endif
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
527 endif
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
528
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
529 elseif (idg(ii))
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
530 ## Fixed width specifier (%N or %*N): read just a part of word
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
531 sw = regexp (fmt_words{ii}, '\d', "once");
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
532 ew = regexp (fmt_words{ii}, '[nfuds]') - 1;
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
533 iwrdp += floor (str2double (fmt_words{ii}(sw:ew)));
14317
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
534 if (iwrdp > iwrdl)
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
535 ## Match error. Field extends beyond word boundary.
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
536 warning ...
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
537 ("strread: field width '%s' (fmt spec # %d) extends beyond actual word limit", ...
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
538 fmt_words{ii}, ii);
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
539 ## Assume word to be completely "used up". Next word
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
540 nxt_wrd = 1;
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
541 elseif (iwrdp == iwrdl)
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
542 ## Word completely "used up". Next word
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
543 nxt_wrd = 1;
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
544 endif
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12940
diff changeset
545
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
546 else
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
547 ## A simple format conv. specifier. Either (1) uses rest of word, or
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
548 ## (2) is squeezed between current iwrdp and next literal, or (3) uses
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
549 ## next word. (3) is already taken care of. So just check (1) & (2)
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
550 if (ii < numel (fmt_words) && idf(ii+1))
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
551 ## Next fmt_word is a literal...
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
552 if (! index (words{iwrd}(iwrdp+1:end), fmt_words{ii+1}))
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
553 ## ...but not found in current word => field uses rest of word
14317
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
554 nxt_wrd = 1;
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
555 else
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
556 ## ..or it IS found. Add inferred width of current conversion field
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
557 iwrdp += index (words{iwrd}(iwrdp+1:end), fmt_words{ii+1}) - 1;
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
558 endif
15263
2136343014d5 bug #37023 (wrong reading of lines starting and/or ending with whitespace)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14868
diff changeset
559 elseif (iwrdp <= iwrdl)
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
560 ## No bordering literal to the right => field occupies (rest of) word
14317
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
561 nxt_wrd = 1;
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
562 endif
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
563
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
564 endif
14317
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
565
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
566 if (nxt_wrd)
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
567 ++iwrd; iwrdp = 0;
14800
a922f768ee09 textscan, strread: improved ML compatibility (bug 36398)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14799
diff changeset
568 if (iwrd > numel (words))
a922f768ee09 textscan, strread: improved ML compatibility (bug 36398)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14799
diff changeset
569 ## Apparently EOF; assume incomplete row already at L.1 of data
a922f768ee09 textscan, strread: improved ML compatibility (bug 36398)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14799
diff changeset
570 ii = numel (fmt_words);
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
571 elseif (ii < numel (fmt_words) && iwrd <= numel (words))
14317
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
572 iwrdl = length (words{iwrd});
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
573 endif
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
574 endif
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
575
14800
a922f768ee09 textscan, strread: improved ML compatibility (bug 36398)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14799
diff changeset
576 ++ii;
14317
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
577
14800
a922f768ee09 textscan, strread: improved ML compatibility (bug 36398)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14799
diff changeset
578 endwhile
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
579 ## Done
12940
3509cf60d1f6 strread.m: %Ns conversion format now honors user specified width (Bug #33950).
Philip Nienhuis <prnienhuis@@users.sf.net>
parents: 12931
diff changeset
580 words_period = max (iwrd - 1, 1);
12879
c3b305e7e59f maint: Reverse previous changeset 875c735c0929
Rik <octave@nomad.inbox5.com>
parents: 12878
diff changeset
581 num_lines = ceil (num_words / words_period);
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
582
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
583 ## 2. Pad words array so that it can be reshaped
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
584 num_words_padded = num_lines * words_period - num_words;
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
585 if (num_words_padded)
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12940
diff changeset
586 words = [words'; cell(num_words_padded, 1)];
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
587 endif
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
588 words = reshape (words, words_period, num_lines);
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
589
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
590 ## 3. Do the column splitting on rectangular words array
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
591 icol = 1; ii = 1; # icol = current column, ii = current fmt_word
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
592 while (ii <= num_words_per_line)
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
593
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
594 ## Check if fmt_words(ii) contains a literal or fixed-width
14868
5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory
Rik <octave@nomad.inbox5.com>
parents: 14853
diff changeset
595 if ((idf(ii) || idg(ii)) && (rows (words) < num_words_per_line))
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
596 if (idf(ii))
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
597 s = strfind (words(icol, 1), fmt_words{ii});
12914
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
598 if (isempty (s{:}))
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
599 error ("strread: Literal '%s' not found in column %d", fmt_words{ii}, icol);
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
600 endif
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
601 s = s{:}(1);
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
602 e = s(1) + length (fmt_words{ii}) - 1;
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
603 endif
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
604 if (! strcmp (fmt_words{ii}, words{icol, 1}))
20038
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
605 ## Column doesn't exactly match literal => split needed.
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
606 ## Insert a column
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12940
diff changeset
607 words(icol+1:end+1, :) = words(icol:end, :);
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
608 ## Watch out for empty cells
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
609 jptr = find (! cellfun ("isempty", words(icol, :)));
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
610
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
611 ## Distinguish leading or trailing literals
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
612 if (! idg(ii) && ! isempty (s) && s(1) == 1)
20038
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
613 ## Leading literal.
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
614 ## Assign literal to icol, paste rest in icol + 1
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
615 ## Apply only to those cells that do have something beyond literal
14868
5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory
Rik <octave@nomad.inbox5.com>
parents: 14853
diff changeset
616 jptr = find (cellfun ("length", words(icol+1, jptr), ...
5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory
Rik <octave@nomad.inbox5.com>
parents: 14853
diff changeset
617 "UniformOutput", false) > e(1));
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
618 words(icol+1, :) = {""};
20038
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
619 words(icol+1, jptr) = cellfun (
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
620 @(x) substr (x, e(1)+1, length (x) - e(1)), words(icol, jptr),
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
621 "UniformOutput", false);
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
622 words(icol, jptr) = fmt_words{ii};
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
623 fwptr = [fwptr(1:ii) (++fwptr(ii+1:end))];
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
624
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
625 else
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
626 if (! idg(ii) && ! isempty (strfind (fmt_words{ii-1}, "%s")))
20038
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
627 ## Trailing literal.
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
628 ## If preceding format == '%s' this is an error.
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
629 warning ("strread: ambiguous '%s' specifier next to literal in column %d", icol);
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
630 elseif (idg(ii))
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
631 ## Current field = fixed width. Strip into icol, rest in icol+1
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
632 sw = regexp (fmt_words{ii}, '\d', "once");
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
633 ew = regexp (fmt_words{ii}, '[nfuds]') - 1;
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
634 wdth = floor (str2double (fmt_words{ii}(sw:ew)));
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
635 words(icol+1, jptr) = cellfun (@(x) x(wdth+1:end),
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12940
diff changeset
636 words(icol,jptr), "UniformOutput", false);
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
637 if (isempty ([words(icol+1, :){:}]))
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
638 ## Apparently split wasn't needed as turns out to cover
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
639 ## entire column. So delete column again
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
640 words(icol+1, :) = [];
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
641 else
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
642 words(icol, jptr) = strtrunc (words(icol, jptr), wdth);
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
643 fwptr = [fwptr(1:ii) (++fwptr(ii+1:end))];
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
644 endif
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
645 else
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
646 ## FIXME: this assumes char(254)/char(255) won't occur in input!
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
647 clear wrds;
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
648 wrds(1:2:2*numel (words(icol, jptr))) = ...
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
649 strrep (words(icol, jptr), fmt_words{ii}, ...
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
650 [char(255) char(254)]);
14868
5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory
Rik <octave@nomad.inbox5.com>
parents: 14853
diff changeset
651 wrds(2:2:2*numel (words(icol, jptr))-1) = char (255);
16724
b7667fcb9fbc Substitute ostrsplit() for strsplit().
Ben Abbott <bpabbott@mac.com>
parents: 16571
diff changeset
652 wrds = ostrsplit ([wrds{:}], char (255));
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
653 words(icol, jptr) = ...
14868
5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory
Rik <octave@nomad.inbox5.com>
parents: 14853
diff changeset
654 wrds(find (cellfun ("isempty", strfind (wrds, char (254)))));
5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory
Rik <octave@nomad.inbox5.com>
parents: 14853
diff changeset
655 wrds(find (cellfun ("isempty", strfind (wrds, char (254))))) ...
5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory
Rik <octave@nomad.inbox5.com>
parents: 14853
diff changeset
656 = char (255);
16724
b7667fcb9fbc Substitute ostrsplit() for strsplit().
Ben Abbott <bpabbott@mac.com>
parents: 16571
diff changeset
657 words(icol+1, jptr) = ostrsplit (strrep ([wrds{2:end}], ...
b7667fcb9fbc Substitute ostrsplit() for strsplit().
Ben Abbott <bpabbott@mac.com>
parents: 16571
diff changeset
658 char (254), fmt_words{ii}), char (255));
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
659 ## Former trailing literal may now be leading for next specifier
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
660 --ii;
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
661 fwptr = [fwptr(1:ii) (++fwptr(ii+1:end))];
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
662 endif
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
663 endif
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
664 endif
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
665
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
666 else
20038
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
667 ## Conversion specifier.
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
668 ## Peek if next fmt_word needs split from current column.
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
669 if (ii < num_words_per_line)
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
670 if (fwptr(ii) == fwptr(ii+1))
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
671 --icol;
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
672 endif
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
673 endif
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
674 endif
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
675 ## Next fmt_word, next column
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
676 ++ii; ++icol;
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
677 endwhile
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
678
20038
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
679 ## Done.
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
680 ## Reshape words back into one long vector and strip padded empty words
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
681 words = reshape (words, 1, numel (words))(1 : end-num_words_padded);
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
682
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
683 catch
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
684 warning ("strread: unable to parse text or file with given format string");
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
685 return;
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
686
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
687 end_try_catch
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
688 endif
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12940
diff changeset
689
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
690 ## For each specifier, process corresponding column
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
691 k = 1;
11127
64728cd28d7a strread.m: Improve compatibility with Matlab.
Ben Abbott <bpabbott@mac.com>
parents: 11120
diff changeset
692 for m = 1:num_words_per_line
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
693 try
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
694 if (format_repeat_count < 0)
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
695 data = words(m:num_words_per_line:end);
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
696 elseif (format_repeat_count == 0)
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
697 data = {};
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
698 else
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
699 lastline = ...
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
700 min (num_words_per_line * format_repeat_count + m - 1, numel (words));
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
701 data = words(m:num_words_per_line:lastline);
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
702 endif
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
703
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
704 ## Map to format
19047
7bbe3658c5ef maint: Use "FIXME:" coding convention in m-files.
Rik <rik@octave.org>
parents: 18146
diff changeset
705 ## FIXME: Add support for formats like "<%s>", "%[a-zA-Z]"
7bbe3658c5ef maint: Use "FIXME:" coding convention in m-files.
Rik <rik@octave.org>
parents: 18146
diff changeset
706 ## Someone with regexp experience is needed.
16933
e39f00a32dc7 maint: Use parentheses around condition for switch(),while(),if() statements.
Rik <rik@octave.org>
parents: 16724
diff changeset
707 switch (fmt_words{m}(1:min (2, length (fmt_words{m}))))
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
708 case "%s"
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
709 if (pad_out)
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12940
diff changeset
710 data(end+1:num_lines) = {""};
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
711 endif
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
712 varargout{k} = data';
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
713 k++;
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
714 case {"%d", "%u", "%f", "%n"}
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
715 n = cellfun ("isempty", data);
19047
7bbe3658c5ef maint: Use "FIXME:" coding convention in m-files.
Rik <rik@octave.org>
parents: 18146
diff changeset
716 ### FIXME: Erroneously formatted data lead to NaN, not an error
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
717 data = str2double (data);
12914
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
718 if (! isempty (regexp (fmt_words{m}, "%[du]")))
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12940
diff changeset
719 ## Cast to integer
12914
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
720 ## FIXME: NaNs will be transformed into zeros
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
721 data = int32 (data);
13176
9b8e786bbf3c maint: use specific endif, endfor tokens instead of simple end
John W. Eaton <jwe@octave.org>
parents: 13141
diff changeset
722 endif
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
723 data(n) = numeric_fill_value;
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
724 if (pad_out)
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
725 data(end+1:num_lines) = numeric_fill_value;
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
726 endif
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
727 varargout{k} = data.';
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
728 k++;
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
729 case {"%0", "%1", "%2", "%3", "%4", "%5", "%6", "%7", "%8", "%9"}
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
730 sw = regexp (fmt_words{m}, '\d', "once");
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
731 ew = regexp (fmt_words{m}, '[nfudsq]') - 1;
16724
b7667fcb9fbc Substitute ostrsplit() for strsplit().
Ben Abbott <bpabbott@mac.com>
parents: 16571
diff changeset
732 nfmt = ostrsplit (fmt_words{m}(2:ew), ".");
12873
e8c8e118a1e6 Small touchups to textscan and strread revamp
Rik <octave@nomad.inbox5.com>
parents: 12866
diff changeset
733 swidth = str2double (nfmt{1});
16933
e39f00a32dc7 maint: Use parentheses around condition for switch(),while(),if() statements.
Rik <rik@octave.org>
parents: 16724
diff changeset
734 switch (fmt_words{m}(ew+1))
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
735 case {"d", "u", "f", "n"}
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
736 n = cellfun ("isempty", data);
19047
7bbe3658c5ef maint: Use "FIXME:" coding convention in m-files.
Rik <rik@octave.org>
parents: 18146
diff changeset
737 ### FIXME: Erroneously formatted data lead to NaN, not an error
7bbe3658c5ef maint: Use "FIXME:" coding convention in m-files.
Rik <rik@octave.org>
parents: 18146
diff changeset
738 ### => ReturnOnError can't be implemented for numeric data
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
739 data = str2double (strtrunc (data, swidth));
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
740 data(n) = numeric_fill_value;
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
741 if (pad_out)
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
742 data(end+1:num_lines) = numeric_fill_value;
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
743 endif
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
744 if (numel (nfmt) > 1)
12873
e8c8e118a1e6 Small touchups to textscan and strread revamp
Rik <octave@nomad.inbox5.com>
parents: 12866
diff changeset
745 sprec = str2double (nfmt{2});
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
746 data = 10^-sprec * round (10^sprec * data);
12914
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
747 elseif (! isempty (regexp (fmt_words{m}, "[du]")))
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12940
diff changeset
748 ## Cast to integer
12914
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
749 ## FIXME: NaNs will be transformed into zeros
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
750 data = int32 (data);
13176
9b8e786bbf3c maint: use specific endif, endfor tokens instead of simple end
John W. Eaton <jwe@octave.org>
parents: 13141
diff changeset
751 endif
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
752 varargout{k} = data.';
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
753 k++;
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
754 case "s"
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
755 if (pad_out)
14317
7dee2bb231c1 strread.m: Fix missing semicolon and unnecessary "unable to parse" messages (Bug #35418).
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14138
diff changeset
756 data(end+1:num_lines) = {""};
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
757 endif
12940
3509cf60d1f6 strread.m: %Ns conversion format now honors user specified width (Bug #33950).
Philip Nienhuis <prnienhuis@@users.sf.net>
parents: 12931
diff changeset
758 varargout{k} = strtrunc (data, swidth)';
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
759 k++;
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
760 otherwise
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
761 endswitch
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
762 case {"%*", "%*s"}
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
763 ## skip the word
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
764 otherwise
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
765 ## Ensure descriptive content is consistent.
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
766 ## Test made a bit lax to accomodate for incomplete last lines
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
767 n = find (! cellfun ("isempty", data));
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
768 if (numel (unique (data(n))) > 1
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
769 || ! strcmpi (unique (data), fmt_words{m}))
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
770 error ("strread: FORMAT does not match data");
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
771 endif
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
772 endswitch
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
773 catch
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
774 ## As strread processes columnwise, ML-compatible error processing
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
775 ## (row after row) is not feasible. In addition Octave sets unrecognizable
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
776 ## numbers to NaN w/o error. But maybe Octave is better in this respect.
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
777 if (err_action)
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
778 ## Just try the next column where ML bails out
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
779 else
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
780 rethrow (lasterror);
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
781 endif
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
782 end_try_catch
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
783 endfor
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
784
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
785 endfunction
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
786
12914
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
787 function out = split_by (text, sep, mult_dlms_s1, eol_char)
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
788
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
789 ## Check & if needed, process MultipleDelimsAsOne parameter
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
790 if (mult_dlms_s1)
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
791 mult_dlms_s1 = true;
12914
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
792 ## FIXME: Should re-implement strsplit() function here in order
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
793 ## to avoid strrep on megabytes of data.
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
794 ## If \n is in sep collection we need to enclose it in text
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
795 ## to avoid it being included in consecutive delim series
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
796 enchr = ' ';
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
797 ## However watch out if eol_char is also in delimiters
14868
5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory
Rik <octave@nomad.inbox5.com>
parents: 14853
diff changeset
798 if (index (sep, eol_char)); enchr = char (255); endif
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
799 text = strrep (text, eol_char, [enchr eol_char enchr]);
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
800 else
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
801 mult_dlms_s1 = false;
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
802 endif
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
803
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
804 ## Split text string along delimiters
16724
b7667fcb9fbc Substitute ostrsplit() for strsplit().
Ben Abbott <bpabbott@mac.com>
parents: 16571
diff changeset
805 out = ostrsplit (text, sep, mult_dlms_s1);
14868
5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory
Rik <octave@nomad.inbox5.com>
parents: 14853
diff changeset
806 if (index (sep, eol_char)); out = strrep (out, char (255), ''); endif
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
807 ## In case of trailing delimiter, strip stray last empty word
20245
f68c3a62e42c strread.m: properly process traling delimiters in case of
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 20072
diff changeset
808 if (! isempty (out) && any (sep == text(end)) && ! mult_dlms_s1)
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
809 out(end) = [];
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
810 endif
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12940
diff changeset
811
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
812 ## Empty cells converted to empty cellstrings.
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
813 out(cellfun ("isempty", out)) = {""};
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
814
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
815 endfunction
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
816
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
817
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
818 %!test
11343
5e5c513ea4c5 strread.m: Don't require space between format specifiers.
Ben Abbott <bpabbott@mac.com>
parents: 11150
diff changeset
819 %! [a, b] = strread ("1 2", "%f%f");
12914
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
820 %! assert (a, 1);
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
821 %! assert (b, 2);
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
822
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
823 %!test
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14335
diff changeset
824 %! str = "";
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
825 %! a = rand (10, 1);
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
826 %! b = char (randi ([65, 85], 10, 1));
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
827 %! for k = 1:10
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
828 %! str = sprintf ("%s %.6f %s\n", str, a(k), b(k));
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
829 %! endfor
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14335
diff changeset
830 %! [aa, bb] = strread (str, "%f %s");
15844
8f0d07f8390b Fix assertions with "observed" and "expected" out of order.
Ben Abbott <bpabbott@mac.com>
parents: 15263
diff changeset
831 %! assert (aa, a, 1e-6);
8f0d07f8390b Fix assertions with "observed" and "expected" out of order.
Ben Abbott <bpabbott@mac.com>
parents: 15263
diff changeset
832 %! assert (bb, cellstr (b));
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
833
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
834 %!test
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14335
diff changeset
835 %! str = "";
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
836 %! a = rand (10, 1);
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
837 %! b = char (randi ([65, 85], 10, 1));
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
838 %! for k = 1:10
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
839 %! str = sprintf ("%s %.6f %s\n", str, a(k), b(k));
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
840 %! endfor
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14335
diff changeset
841 %! aa = strread (str, "%f %*s");
15844
8f0d07f8390b Fix assertions with "observed" and "expected" out of order.
Ben Abbott <bpabbott@mac.com>
parents: 15263
diff changeset
842 %! assert (aa, a, 1e-6);
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
843
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
844 %!test
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
845 %! str = sprintf ("/* this is\nacomment*/ 1 2 3");
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14335
diff changeset
846 %! a = strread (str, "%f", "commentstyle", "c");
9746
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
847 %! assert (a, [1; 2; 3]);
31a22d48f41f scripts/io/strread.m scripts/io/textread.m: new functions
Soren Hauberg <hauberg@gmail.com>
parents:
diff changeset
848
11127
64728cd28d7a strread.m: Improve compatibility with Matlab.
Ben Abbott <bpabbott@mac.com>
parents: 11120
diff changeset
849 %!test
12914
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
850 %! str = "# comment\n# comment\n1 2 3";
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
851 %! [a, b] = strread (str, "%n %s", "commentstyle", "shell", "endofline", "\n");
12914
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
852 %! assert (a, [1; 3]);
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
853 %! assert (b, {"2"});
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
854
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
855 %!test
19899
4aa17069a007 Fix incorrect strread behavior with option "commentstyle" (bug #43972)
Massimiliano Fasi <massimiliano.fasi@gmail.com>
parents: 19898
diff changeset
856 %! assert (strread ("Hello World! // this is comment", "%s",...
4aa17069a007 Fix incorrect strread behavior with option "commentstyle" (bug #43972)
Massimiliano Fasi <massimiliano.fasi@gmail.com>
parents: 19898
diff changeset
857 %! "commentstyle", "c++"), ...
20038
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
858 %! {"Hello"; "World!"});
19899
4aa17069a007 Fix incorrect strread behavior with option "commentstyle" (bug #43972)
Massimiliano Fasi <massimiliano.fasi@gmail.com>
parents: 19898
diff changeset
859 %! assert (strread ("Hello World! % this is comment", "%s",...
4aa17069a007 Fix incorrect strread behavior with option "commentstyle" (bug #43972)
Massimiliano Fasi <massimiliano.fasi@gmail.com>
parents: 19898
diff changeset
860 %! "commentstyle", "matlab"), ...
4aa17069a007 Fix incorrect strread behavior with option "commentstyle" (bug #43972)
Massimiliano Fasi <massimiliano.fasi@gmail.com>
parents: 19898
diff changeset
861 %! {"Hello"; "World!"});
4aa17069a007 Fix incorrect strread behavior with option "commentstyle" (bug #43972)
Massimiliano Fasi <massimiliano.fasi@gmail.com>
parents: 19898
diff changeset
862 %! assert (strread ("Hello World! # this is comment", "%s",...
4aa17069a007 Fix incorrect strread behavior with option "commentstyle" (bug #43972)
Massimiliano Fasi <massimiliano.fasi@gmail.com>
parents: 19898
diff changeset
863 %! "commentstyle", "shell"), ...
4aa17069a007 Fix incorrect strread behavior with option "commentstyle" (bug #43972)
Massimiliano Fasi <massimiliano.fasi@gmail.com>
parents: 19898
diff changeset
864 %! {"Hello"; "World!"});
4aa17069a007 Fix incorrect strread behavior with option "commentstyle" (bug #43972)
Massimiliano Fasi <massimiliano.fasi@gmail.com>
parents: 19898
diff changeset
865
4aa17069a007 Fix incorrect strread behavior with option "commentstyle" (bug #43972)
Massimiliano Fasi <massimiliano.fasi@gmail.com>
parents: 19898
diff changeset
866 %!test
11127
64728cd28d7a strread.m: Improve compatibility with Matlab.
Ben Abbott <bpabbott@mac.com>
parents: 11120
diff changeset
867 %! str = sprintf ("Tom 100 miles/hr\nDick 90 miles/hr\nHarry 80 miles/hr");
64728cd28d7a strread.m: Improve compatibility with Matlab.
Ben Abbott <bpabbott@mac.com>
parents: 11120
diff changeset
868 %! fmt = "%s %f miles/hr";
64728cd28d7a strread.m: Improve compatibility with Matlab.
Ben Abbott <bpabbott@mac.com>
parents: 11120
diff changeset
869 %! c = cell (1, 2);
64728cd28d7a strread.m: Improve compatibility with Matlab.
Ben Abbott <bpabbott@mac.com>
parents: 11120
diff changeset
870 %! [c{:}] = strread (str, fmt);
64728cd28d7a strread.m: Improve compatibility with Matlab.
Ben Abbott <bpabbott@mac.com>
parents: 11120
diff changeset
871 %! assert (c{1}, {"Tom"; "Dick"; "Harry"})
64728cd28d7a strread.m: Improve compatibility with Matlab.
Ben Abbott <bpabbott@mac.com>
parents: 11120
diff changeset
872 %! assert (c{2}, [100; 90; 80])
64728cd28d7a strread.m: Improve compatibility with Matlab.
Ben Abbott <bpabbott@mac.com>
parents: 11120
diff changeset
873
64728cd28d7a strread.m: Improve compatibility with Matlab.
Ben Abbott <bpabbott@mac.com>
parents: 11120
diff changeset
874 %!test
64728cd28d7a strread.m: Improve compatibility with Matlab.
Ben Abbott <bpabbott@mac.com>
parents: 11120
diff changeset
875 %! a = strread ("a b c, d e, , f", "%s", "delimiter", ",");
64728cd28d7a strread.m: Improve compatibility with Matlab.
Ben Abbott <bpabbott@mac.com>
parents: 11120
diff changeset
876 %! assert (a, {"a b c"; "d e"; ""; "f"});
64728cd28d7a strread.m: Improve compatibility with Matlab.
Ben Abbott <bpabbott@mac.com>
parents: 11120
diff changeset
877
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
878 %!test
17336
b81b9d079515 Use '##' for comments which stand alone on a line.
Rik <rik@octave.org>
parents: 17281
diff changeset
879 %! ## Bug #33536
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
880 %! [a, b, c] = strread ("1,,2", "%s%s%s", "delimiter", ",");
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14335
diff changeset
881 %! assert (a{1}, "1");
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14335
diff changeset
882 %! assert (b{1}, "");
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14335
diff changeset
883 %! assert (c{1}, "2");
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
884
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
885 %!test
17336
b81b9d079515 Use '##' for comments which stand alone on a line.
Rik <rik@octave.org>
parents: 17281
diff changeset
886 %! ## Bug #33536
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
887 %! a = strread ("[SomeText]", "[%s", "delimiter", "]");
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
888 %! assert (a{1}, "SomeText");
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
889
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
890 %!test
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
891 %! dat = "Data file.\r\n= = = = =\r\nCOMPANY : <Company name>\r\n";
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14335
diff changeset
892 %! a = strread (dat, "%s", "delimiter", "\n", "whitespace", "", "endofline", "\r\n");
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
893 %! assert (a{2}, "= = = = =");
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
894 %! assert (double (a{3}(end-5:end)), [32 110 97 109 101 62]);
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
895
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
896 %!test
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14335
diff changeset
897 %! [a, b, c, d] = strread ("1,2,3,,5,6", "%d%f%d%f", "delimiter", ",");
12914
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
898 %! assert (c, int32 (3));
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
899 %! assert (d, NaN);
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
900
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
901 %!test
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14335
diff changeset
902 %! [a, b, c, d] = strread ("1,2,3,,5,6\n", "%d%d%f%d", "delimiter", ",");
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
903 %! assert (c, [3; NaN]);
12914
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
904 %! assert (d, int32 ([0; 0]));
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
905
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
906 %!test
17336
b81b9d079515 Use '##' for comments which stand alone on a line.
Rik <rik@octave.org>
parents: 17281
diff changeset
907 %! ## Default format (= %f)
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
908 %1 [a, b, c] = strread ("0.12 0.234 0.3567");
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
909 %1 assert (a, 0.12);
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
910 %1 assert (b, 0.234);
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
911 %1 assert (c, 0.3567);
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
912
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
913 %!test
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14335
diff changeset
914 %! [a, b] = strread ("0.41 8.24 3.57 6.24 9.27", "%f%f", 2, "delimiter", " ");
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
915 %1 assert (a, [0.41; 3.57]);
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
916
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
917 %!test
17336
b81b9d079515 Use '##' for comments which stand alone on a line.
Rik <rik@octave.org>
parents: 17281
diff changeset
918 %! ## TreatAsEmpty
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14335
diff changeset
919 %! [a, b, c, d] = strread ("1,2,3,NN,5,6\n", "%d%d%d%f", "delimiter", ",", "TreatAsEmpty", "NN");
12914
ac00ae83ea2e More compatibility improvements for textscan and strread
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12891
diff changeset
920 %! assert (c, int32 ([3; 0]));
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
921 %! assert (d, [NaN; NaN]);
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
922
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
923 %!test
17336
b81b9d079515 Use '##' for comments which stand alone on a line.
Rik <rik@octave.org>
parents: 17281
diff changeset
924 %! ## No delimiters at all besides EOL. Plain reading numbers & strings
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
925 %! str = "Text1Text2Text\nText398Text4Text\nText57Text";
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
926 %! [a, b] = strread (str, "Text%dText%1sText");
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
927 %! assert (a, int32 ([1; 398; 57]));
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14335
diff changeset
928 %! assert (b(1:2), {"2"; "4"});
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
929 %! assert (isempty (b{3}), true);
12866
fe6e2afcd9ee Revamp strread, textscan, textread functions for Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12469
diff changeset
930
20038
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
931 ## MultipleDelimsAsOne
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
932 %!test
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
933 %! str = "11, 12, 13,, 15\n21,, 23, 24, 25\n,, 33, 34, 35";
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14335
diff changeset
934 %! [a b c d] = strread (str, "%f %f %f %f", "delimiter", ",", "multipledelimsasone", 1, "endofline", "\n");
12891
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
935 %! assert (a', [11, 21, NaN]);
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
936 %! assert (b', [12, 23, 33]);
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
937 %! assert (c', [13, 24, 34]);
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
938 %! assert (d', [15, 25, 35]);
f5a3f77d51aa strread.m, textscan.m: More Matlab compatability
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 12879
diff changeset
939
20245
f68c3a62e42c strread.m: properly process traling delimiters in case of
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 20072
diff changeset
940 ## Bug #44750
f68c3a62e42c strread.m: properly process traling delimiters in case of
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 20072
diff changeset
941 %!test
f68c3a62e42c strread.m: properly process traling delimiters in case of
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 20072
diff changeset
942 %! assert (strread ('/home/foo/','%s','delimiter','/','MultipleDelimsAsOne',1), ...
f68c3a62e42c strread.m: properly process traling delimiters in case of
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 20072
diff changeset
943 %! {"home"; "foo"});
f68c3a62e42c strread.m: properly process traling delimiters in case of
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 20072
diff changeset
944
20038
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
945 ## delimiter as sq_string and dq_string
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
946 %!test
13715
f8eca611e18f When single-quoted, the strread() "delimiter", "endofline", and "whitespace"
Ben Abbott <bpabbott@mac.com>
parents: 13176
diff changeset
947 %! assert (strread ("1\n2\n3", "%d", "delimiter", "\n"),
f8eca611e18f When single-quoted, the strread() "delimiter", "endofline", and "whitespace"
Ben Abbott <bpabbott@mac.com>
parents: 13176
diff changeset
948 %! strread ("1\n2\n3", "%d", "delimiter", '\n'))
f8eca611e18f When single-quoted, the strread() "delimiter", "endofline", and "whitespace"
Ben Abbott <bpabbott@mac.com>
parents: 13176
diff changeset
949
20038
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
950 ## whitespace as sq_string and dq_string
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
951 %!test
13715
f8eca611e18f When single-quoted, the strread() "delimiter", "endofline", and "whitespace"
Ben Abbott <bpabbott@mac.com>
parents: 13176
diff changeset
952 %! assert (strread ("1\b2\r3\b4\t5", "%d", "whitespace", "\b\r\n\t"),
f8eca611e18f When single-quoted, the strread() "delimiter", "endofline", and "whitespace"
Ben Abbott <bpabbott@mac.com>
parents: 13176
diff changeset
953 %! strread ("1\b2\r3\b4\t5", "%d", "whitespace", '\b\r\n\t'))
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
954
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
955 %!test
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
956 %! str = "0.31 0.86 0.94\n 0.60 0.72 0.87";
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
957 %! fmt = "%f %f %f";
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
958 %! args = {"delimiter", " ", "endofline", "\n", "whitespace", " "};
20038
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
959 %! [a, b, c] = strread (str, fmt, args{:});
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
960 %! assert (a, [0.31; 0.60], 0.01)
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
961 %! assert (b, [0.86; 0.72], 0.01)
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
962 %! assert (c, [0.94; 0.87], 0.01)
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
963
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
964 %!test
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
965 %! str = "0.31,0.86,0.94\n0.60,0.72,0.87";
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
966 %! fmt = "%f %f %f";
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
967 %! args = {"delimiter", ",", "endofline", "\n", "whitespace", " "};
20038
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
968 %! [a, b, c] = strread (str, fmt, args{:});
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
969 %! assert (a, [0.31; 0.60], 0.01)
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
970 %! assert (b, [0.86; 0.72], 0.01)
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
971 %! assert (c, [0.94; 0.87], 0.01)
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
972
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
973 %!test
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
974 %! str = "0.31 0.86 0.94\n 0.60 0.72 0.87";
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
975 %! fmt = "%f %f %f";
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
976 %! args = {"delimiter", ",", "endofline", "\n", "whitespace", " "};
20038
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
977 %! [a, b, c] = strread (str, fmt, args{:});
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
978 %! assert (a, [0.31; 0.60], 0.01)
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
979 %! assert (b, [0.86; 0.72], 0.01)
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
980 %! assert (c, [0.94; 0.87], 0.01)
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
981
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
982 %!test
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
983 %! str = "0.31, 0.86, 0.94\n 0.60, 0.72, 0.87";
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
984 %! fmt = "%f %f %f";
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
985 %! args = {"delimiter", ",", "endofline", "\n", "whitespace", " "};
20038
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
986 %! [a, b, c] = strread (str, fmt, args{:});
14096
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
987 %! assert (a, [0.31; 0.60], 0.01)
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
988 %! assert (b, [0.86; 0.72], 0.01)
153581342e47 Always separate numeric fields by whitespace too; gracefully catch too wide literals & fixed width format conversion specifiers
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 13715
diff changeset
989 %! assert (c, [0.94; 0.87], 0.01)
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14335
diff changeset
990
14497
9fc75cdf61ab strread.m: Trap empty string input (bug #35999)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14366
diff changeset
991 %!test
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
992 %! [a, b] = strread (["Empty 1" char(10)], "Empty%s %f");
14800
a922f768ee09 textscan, strread: improved ML compatibility (bug 36398)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14799
diff changeset
993 %! assert (a{1}, '1');
a922f768ee09 textscan, strread: improved ML compatibility (bug 36398)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14799
diff changeset
994 %! assert (b, NaN);
a922f768ee09 textscan, strread: improved ML compatibility (bug 36398)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14799
diff changeset
995
a922f768ee09 textscan, strread: improved ML compatibility (bug 36398)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14799
diff changeset
996 %!test
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
997 %! [a, b] = strread (["Empty" char(10)], "Empty%f %f");
14800
a922f768ee09 textscan, strread: improved ML compatibility (bug 36398)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14799
diff changeset
998 %! assert (a, NaN);
a922f768ee09 textscan, strread: improved ML compatibility (bug 36398)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14799
diff changeset
999 %! assert (b, NaN);
a922f768ee09 textscan, strread: improved ML compatibility (bug 36398)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14799
diff changeset
1000
a922f768ee09 textscan, strread: improved ML compatibility (bug 36398)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14799
diff changeset
1001 %!test
17336
b81b9d079515 Use '##' for comments which stand alone on a line.
Rik <rik@octave.org>
parents: 17281
diff changeset
1002 %! ## Bug #35999
14497
9fc75cdf61ab strread.m: Trap empty string input (bug #35999)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14366
diff changeset
1003 %! [a, b, c] = strread ("", "%f");
9fc75cdf61ab strread.m: Trap empty string input (bug #35999)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14366
diff changeset
1004 %! assert (isempty (a));
9fc75cdf61ab strread.m: Trap empty string input (bug #35999)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14366
diff changeset
1005 %! assert (isempty (b));
9fc75cdf61ab strread.m: Trap empty string input (bug #35999)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14366
diff changeset
1006 %! assert (isempty (c));
9fc75cdf61ab strread.m: Trap empty string input (bug #35999)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14366
diff changeset
1007
15263
2136343014d5 bug #37023 (wrong reading of lines starting and/or ending with whitespace)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14868
diff changeset
1008 %!test
17336
b81b9d079515 Use '##' for comments which stand alone on a line.
Rik <rik@octave.org>
parents: 17281
diff changeset
1009 %! ## bug #37023
15263
2136343014d5 bug #37023 (wrong reading of lines starting and/or ending with whitespace)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14868
diff changeset
1010 %! [a, b] = strread (" 1. 1 \n 2 3 \n", "%f %f", "endofline", "\n");
2136343014d5 bug #37023 (wrong reading of lines starting and/or ending with whitespace)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14868
diff changeset
1011 %! assert (a, [1; 2], 1e-15);
2136343014d5 bug #37023 (wrong reading of lines starting and/or ending with whitespace)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14868
diff changeset
1012 %! assert (b, [1; 3], 1e-15);
2136343014d5 bug #37023 (wrong reading of lines starting and/or ending with whitespace)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14868
diff changeset
1013
20038
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
1014 ## Test for no output arg (interactive use)
16306
4a3b6a80db2e strread.m: fix division by zero when called with no output args; test added
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 16094
diff changeset
1015 %!test
4a3b6a80db2e strread.m: fix division by zero when called with no output args; test added
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 16094
diff changeset
1016 %! assert (strread (",2,,4\n5,,7,", "", "delimiter", ","), [NaN; 2; NaN; 4; 5; NaN; 7]);
4a3b6a80db2e strread.m: fix division by zero when called with no output args; test added
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 16094
diff changeset
1017
20038
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
1018 ## Test #1 bug #42609
19049
35838f49e2f6 strread.m: drop valid delimiters from format specifier list (bug #42609)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 17744
diff changeset
1019 %!test
19050
c32f378e08f3 * strread.m: Process string escapes on single quoted format (bug #42609)
John W. Eaton <jwe@octave.org>
parents: 19049
diff changeset
1020 %! [a, b, c] = strread ("1 2 3\n4 5 6\n7 8 9\n", "%f %f %f\n");
19049
35838f49e2f6 strread.m: drop valid delimiters from format specifier list (bug #42609)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 17744
diff changeset
1021 %! assert (a, [1; 4; 7]);
35838f49e2f6 strread.m: drop valid delimiters from format specifier list (bug #42609)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 17744
diff changeset
1022 %! assert (b, [2; 5; 8]);
35838f49e2f6 strread.m: drop valid delimiters from format specifier list (bug #42609)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 17744
diff changeset
1023 %! assert (c, [3; 6; 9]);
35838f49e2f6 strread.m: drop valid delimiters from format specifier list (bug #42609)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 17744
diff changeset
1024
20038
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
1025 ## Test #2 bug #42609
19049
35838f49e2f6 strread.m: drop valid delimiters from format specifier list (bug #42609)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 17744
diff changeset
1026 %!test
19050
c32f378e08f3 * strread.m: Process string escapes on single quoted format (bug #42609)
John W. Eaton <jwe@octave.org>
parents: 19049
diff changeset
1027 %! [a, b, c] = strread ("1 2\n3\n4 5\n6\n7 8\n9\n", "%f %f\n%f");
c32f378e08f3 * strread.m: Process string escapes on single quoted format (bug #42609)
John W. Eaton <jwe@octave.org>
parents: 19049
diff changeset
1028 %! assert (a, [1;4;7]);
c32f378e08f3 * strread.m: Process string escapes on single quoted format (bug #42609)
John W. Eaton <jwe@octave.org>
parents: 19049
diff changeset
1029 %! assert (b, [2; 5; 8]);
c32f378e08f3 * strread.m: Process string escapes on single quoted format (bug #42609)
John W. Eaton <jwe@octave.org>
parents: 19049
diff changeset
1030 %! assert (c, [3; 6; 9]);
c32f378e08f3 * strread.m: Process string escapes on single quoted format (bug #42609)
John W. Eaton <jwe@octave.org>
parents: 19049
diff changeset
1031
20038
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
1032 ## Test #3 bug #42609
19050
c32f378e08f3 * strread.m: Process string escapes on single quoted format (bug #42609)
John W. Eaton <jwe@octave.org>
parents: 19049
diff changeset
1033 %!test
c32f378e08f3 * strread.m: Process string escapes on single quoted format (bug #42609)
John W. Eaton <jwe@octave.org>
parents: 19049
diff changeset
1034 %! [a, b, c] = strread ("1 2 3\n4 5 6\n7 8 9\n", '%f %f %f\n');
c32f378e08f3 * strread.m: Process string escapes on single quoted format (bug #42609)
John W. Eaton <jwe@octave.org>
parents: 19049
diff changeset
1035 %! assert (a, [1; 4; 7]);
c32f378e08f3 * strread.m: Process string escapes on single quoted format (bug #42609)
John W. Eaton <jwe@octave.org>
parents: 19049
diff changeset
1036 %! assert (b, [2; 5; 8]);
c32f378e08f3 * strread.m: Process string escapes on single quoted format (bug #42609)
John W. Eaton <jwe@octave.org>
parents: 19049
diff changeset
1037 %! assert (c, [3; 6; 9]);
c32f378e08f3 * strread.m: Process string escapes on single quoted format (bug #42609)
John W. Eaton <jwe@octave.org>
parents: 19049
diff changeset
1038
20038
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
1039 ## Test #3 bug #42609
19050
c32f378e08f3 * strread.m: Process string escapes on single quoted format (bug #42609)
John W. Eaton <jwe@octave.org>
parents: 19049
diff changeset
1040 %!test
c32f378e08f3 * strread.m: Process string escapes on single quoted format (bug #42609)
John W. Eaton <jwe@octave.org>
parents: 19049
diff changeset
1041 %! [a, b, c] = strread ("1 2\n3\n4 5\n6\n7 8\n9\n", '%f %f\n%f');
19049
35838f49e2f6 strread.m: drop valid delimiters from format specifier list (bug #42609)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 17744
diff changeset
1042 %! assert (a, [1;4;7]);
35838f49e2f6 strread.m: drop valid delimiters from format specifier list (bug #42609)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 17744
diff changeset
1043 %! assert (b, [2; 5; 8]);
35838f49e2f6 strread.m: drop valid delimiters from format specifier list (bug #42609)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 17744
diff changeset
1044 %! assert (c, [3; 6; 9]);
35838f49e2f6 strread.m: drop valid delimiters from format specifier list (bug #42609)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 17744
diff changeset
1045
20038
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
1046 ## Unsupported format specifiers
14802
d5aee269b770 strread.m: catch unsupported ML format specifiers (bug #36464)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14800
diff changeset
1047 %!test
14835
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
1048 %!error <format specifiers are not supported> strread ("a", "%c")
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
1049 %!error <format specifiers are not supported> strread ("a", "%*c %d")
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
1050 %!error <format specifiers are not supported> strread ("a", "%q")
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
1051 %!error <format specifiers are not supported> strread ("a", "%*q %d")
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
1052 %!error <format specifiers are not supported> strread ("a", "%[a]")
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
1053 %!error <format specifiers are not supported> strread ("a", "%*[a] %d")
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
1054 %!error <format specifiers are not supported> strread ("a", "%[^a]")
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
1055 %!error <format specifiers are not supported> strread ("a", "%*[^a] %d")
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
1056 %!error <format specifiers are not supported> strread ("a", "%d8")
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
1057 %!error <format specifiers are not supported> strread ("a", "%*d8 %s")
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
1058 %!error <format specifiers are not supported> strread ("a", "%f64")
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
1059 %!error <format specifiers are not supported> strread ("a", "%*f64 %s")
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
1060 %!error <format specifiers are not supported> strread ("a", "%u32")
821708f96efd strread.m: more robust word parsing and style improvements
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 14802
diff changeset
1061 %!error <format specifiers are not supported> strread ("a", "%*u32 %d")
16571
4d8462fe15b9 strread.m: catch unknown format specifiers (bug #38834)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 16412
diff changeset
1062
20038
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
1063 ## Illegal format specifiers
16571
4d8462fe15b9 strread.m: catch unknown format specifiers (bug #38834)
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 16412
diff changeset
1064 %!test
19241
c573d9c70ae5 Better checks for valid format conversion specifiers in textscan. & strread.m
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 19058
diff changeset
1065 %!error <no valid format conversion specifiers> strread ("1.0", "%z");
17338
1c89599167a6 maint: End m-files with 1 blank line.
Rik <rik@octave.org>
parents: 17336
diff changeset
1066
20038
9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19899
diff changeset
1067 ## Test for false positives in check for non-supported format specifiers
19241
c573d9c70ae5 Better checks for valid format conversion specifiers in textscan. & strread.m
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 19058
diff changeset
1068 %!test
c573d9c70ae5 Better checks for valid format conversion specifiers in textscan. & strread.m
Philip Nienhuis <prnienhuis@users.sf.net>
parents: 19058
diff changeset
1069 %! assert (strread ("Total: 32.5 % (of cm values)","Total: %f % (of cm values)"), 32.5, 1e-5);