Mercurial > hg > octave-terminal
changeset 2288:039cda4dc95a
[project @ 1996-06-05 23:21:52 by jwe]
Initial revision
author | jwe |
---|---|
date | Wed, 05 Jun 1996 23:21:52 +0000 |
parents | 0e065eb7e838 |
children | d9fe34ccf2bf |
files | scripts/strings/strrep.m |
diffstat | 1 files changed, 61 insertions(+), 0 deletions(-) [+] |
line wrap: on
line diff
new file mode 100644 --- /dev/null +++ b/scripts/strings/strrep.m @@ -0,0 +1,61 @@ +# Copyright (C) 1995, 1996 Kurt Hornik +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this file. If not, write to the Free Software Foundation, +# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +function t = strrep (s, x, y) + +# usage: strrep (s, x, y) +# +# Replace all occurences of the substring x of the string s with the +# string y. + +# Written by Kurt Hornik <Kurt.Hornik@ci.tuwien.ac.at> on 1994/10/11 +# Updated by Kurt Hornik <Kurt.Hornik@ci.tuwien.ac.at> on 1996/05/25 + + if (nargin <> 3) + usage ("strrep (s, x, y)"); + endif + + if (! (isstr (s) && isstr (x) && isstr (y))) + error ("strrep: all arguments must be strings"); + endif + + if (length (x) > length (s) || isempty (x)) + t = s; + return; + endif + + ind = findstr (s, x, 0); + len = length (ind); + if (len == 0) + t = s; + else + s = toascii (s); + x = toascii (x); + y = toascii (y); + + l_x = length (x); + tmp = s (1 : ind (1) - 1); + t = [tmp, y]; + for k = 1 : len - 1 + tmp = s (ind (k) + l_x : ind (k+1) - 1); + t = [t, tmp, y]; + endfor + tmp = s (ind(len) + l_x : length (s)); + t = [t, tmp]; + t = setstr (t); + endif + +endfunction