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annotate scripts/plot/util/printd.m @ 19898:4197fc428c7d

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maint: Update copyright notices for 2015.
author John W. Eaton <jwe@octave.org>
date Wed, 11 Feb 2015 14:19:08 -0500
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1 ## Copyright (C) 2013-2015 Michael D. Godfrey
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or
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6 ## modify it under the terms of the GNU General Public
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7 ## License as published by the Free Software Foundation;
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8 ## either version 3 of the License, or (at your option) any
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9 ## later version.
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10 ##
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11 ## Octave is distributed in the hope that it will be useful,
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12 ## but WITHOUT ANY WARRANTY; without even the implied
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13 ## warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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14 ## PURPOSE. See the GNU General Public License for more
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15 ## details.
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16 ##
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17 ## You should have received a copy of the GNU General Public
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18 ## License along with Octave; see the file COPYING. If not,
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19 ## see <http://www.gnu.org/licenses/>.
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20
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21 ## -*- texinfo -*-
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22 ## @deftypefn {Function File} {} printd (@var{obj}, @var{filename})
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23 ## @deftypefnx {Function File} {@var{out_file} =} printd (@dots{})
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24 ##
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25 ## Convert any object acceptable to @code{disp} into the format
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26 ## selected by the suffix of @var{filename}. If the return argument
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27 ## @var{out_file} is given, the name of the created file is returned.
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28 ##
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29 ## This function is intended to facilitate manipulation of the output
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30 ## of functions such as @code{stemleaf}.
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31 ## @seealso{stemleaf}
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32 ## @end deftypefn
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33
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34 ## Author: Michael D. Godfrey <michaeldgodfrey@gmail.com>
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35 ## Description: Convert objects into other file formats.
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36
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37 function pr_out = printd (obj, filename)
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38 ## Convert any object acceptable to disp() into various display formats.
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39 ## obj is the input object.
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40 ## filename is the output file (with required suffix).
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41
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42 ## Extract .suffix from filename
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43 if ((sufix = rindex (filename, ".")) <= 0)
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44 error ("The output filename: %s requires a suffix.\nOptions are: pdf ps eps txt jpg jpeg", filename);
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45 endif
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46 opt = substr (filename, sufix+1);
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47 [pf, tempf, mag] = mkstemp ("oct-XXXXXX", 1);
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48 fprintf (pf, "%s", disp (obj));
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49 frewind (pf);
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50
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51 ## It seems best to only use convert for image output. Its ps and pdf
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52 ## are badly rendered.
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53 opt = lower (opt);
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54 switch (opt)
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55 case "pdf"
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56 enscr = sprintf (
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57 "enscript --no-header -o %s.ps %s ; ps2pdf %s.ps %s.pdf; mv %s.pdf %s;exit",...
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58 tempf, tempf, tempf, tempf, tempf, filename);
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59 system (enscr);
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60 delete ([tempf ".ps"]);
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61 case "ps"
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62 enscr = sprintf ("enscript --no-header -o %s %s ; exit", filename, tempf);
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63 system (enscr);
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64 case "eps"
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65 enscr = sprintf (
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66 "enscript --no-header -o %s.ps %s ; ps2eps --ignoreBB %s.ps; mv %s.eps %s; exit",...
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67 tempf, tempf, tempf, tempf, filename);
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68 system (enscr);
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69 delete ([tempf ".ps"]);
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70 case "txt"
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71 enscr = sprintf ("cp %s %s", tempf, filename);
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72 system (enscr);
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73 case {"jpg", "jpeg"}
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74 enscr = sprintf ("convert -trim txt:%s jpg:%s", tempf, filename);
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75 system (enscr);
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76 otherwise
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77 fclose (pf);
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78 delete (tempf);
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79 error ("Unknown conversion type: %s.\nOptions are: pdf ps eps txt jpg jpeg", opt);
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80
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81 endswitch
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82 fclose (pf);
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83 delete (tempf);
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84 pr_out = sprintf ("%s file %s written\n", opt, filename);
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85 endfunction
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86
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87
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88 %!demo
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89 %! r2 = char ( ...
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90 %! 'stem step: 10, data: unsorted.', ...
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91 %! 'Hinges: lo: 12, hi: 42' , ...
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92 %! ' 1 | 22118' , ...
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93 %! ' 2 | 28' , ...
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94 %! ' 3 | 98' , ...
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95 %! ' 4 | 244' , ...
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96 %! ' 5 | 2' );
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97 %! printd (r2, 'test_p.txt');
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98 %! system ('cat test_p.txt');
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99 %! delete ('test_p.txt');
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100
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101 %!test
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102 %! r2 = char (
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103 %! "stem step: 10, data: unsorted.",
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104 %! "Hinges: lo: 12, hi: 42" ,
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105 %! " 1 | 22118" ,
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106 %! " 2 | 28" ,
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107 %! " 3 | 98" ,
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108 %! " 4 | 244" ,
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109 %! " 5 | 2" );
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110 %! printd (r2, "test_p.txt");
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111 %! r4 = fileread ("test_p.txt");
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112 %! delete ("test_p.txt");
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113 %! r2 = disp (r2);
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114 %! assert (r4, r2);
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115