Mercurial > octave-antonio
annotate scripts/strings/strcat.m @ 14868:5d3a684236b0
maint: Use Octave coding conventions for cuddling parentheses in scripts directory
* lin2mu.m, loadaudio.m, wavread.m, accumarray.m, bicubic.m, celldisp.m,
colon.m, cplxpair.m, dblquad.m, divergence.m, genvarname.m, gradient.m,
int2str.m, interp1.m, interp1q.m, interp2.m, interpn.m, loadobj.m, nthargout.m,
__isequal__.m, __splinen__.m, quadgk.m, quadl.m, quadv.m, rat.m, rot90.m,
rotdim.m, saveobj.m, subsindex.m, triplequad.m, delaunay3.m, griddata.m,
inpolygon.m, tsearchn.m, voronoi.m, get_first_help_sentence.m, which.m,
gray2ind.m, pink.m, dlmwrite.m, strread.m, textread.m, textscan.m, housh.m,
ishermitian.m, issymmetric.m, krylov.m, logm.m, null.m, rref.m,
compare_versions.m, copyfile.m, dump_prefs.m, edit.m, fileparts.m,
getappdata.m, isappdata.m, movefile.m, orderfields.m, parseparams.m,
__xzip__.m, rmappdata.m, setappdata.m, swapbytes.m, unpack.m, ver.m, fminbnd.m,
fminunc.m, fsolve.m, glpk.m, lsqnonneg.m, qp.m, sqp.m, configure_make.m,
copy_files.m, describe.m, get_description.m, get_forge_pkg.m, install.m,
installed_packages.m, is_architecture_dependent.m, load_package_dirs.m,
print_package_description.m, rebuild.m, repackage.m, save_order.m, shell.m,
allchild.m, ancestor.m, area.m, axes.m, axis.m, clabel.m, close.m, colorbar.m,
comet.m, comet3.m, contour.m, cylinder.m, ezmesh.m, ezsurf.m, findobj.m,
fplot.m, hist.m, isocolors.m, isonormals.m, isosurface.m, isprop.m, legend.m,
mesh.m, meshz.m, pareto.m, pcolor.m, peaks.m, plot3.m, plotmatrix.m, plotyy.m,
polar.m, print.m, __add_datasource__.m, __add_default_menu__.m,
__axes_limits__.m, __bar__.m, __clabel__.m, __contour__.m, __errcomm__.m,
__errplot__.m, __ezplot__.m, __file_filter__.m, __fltk_print__.m,
__ghostscript__.m, __gnuplot_print__.m, __go_draw_axes__.m,
__go_draw_figure__.m, __interp_cube__.m, __marching_cube__.m, __patch__.m,
__pie__.m, __plt__.m, __print_parse_opts__.m, __quiver__.m, __scatter__.m,
__stem__.m, __tight_eps_bbox__.m, __uigetdir_fltk__.m, __uigetfile_fltk__.m,
__uiputfile_fltk__.m, quiver.m, quiver3.m, rectangle.m, refreshdata.m,
ribbon.m, scatter.m, semilogy.m, shading.m, slice.m, subplot.m, surface.m,
surfl.m, surfnorm.m, text.m, uigetfile.m, uiputfile.m, whitebg.m, deconv.m,
mkpp.m, pchip.m, polyaffine.m, polyder.m, polygcd.m, polyout.m, polyval.m,
ppint.m, ppjumps.m, ppval.m, residue.m, roots.m, spline.m, splinefit.m,
addpref.m, getpref.m, setpref.m, ismember.m, setxor.m, arch_fit.m, arch_rnd.m,
arch_test.m, autoreg_matrix.m, diffpara.m, fftconv.m, filter2.m, hanning.m,
hurst.m, periodogram.m, triangle_sw.m, sinc.m, spectral_xdf.m, spencer.m,
stft.m, synthesis.m, unwrap.m, yulewalker.m, bicgstab.m, gmres.m, pcg.m, pcr.m,
__sprand_impl__.m, speye.m, spfun.m, sprandn.m, spstats.m, svds.m,
treelayout.m, treeplot.m, bessel.m, factor.m, legendre.m, perms.m, primes.m,
magic.m, toeplitz.m, corr.m, cov.m, mean.m, median.m, mode.m, qqplot.m,
quantile.m, ranks.m, zscore.m, logistic_regression_likelihood.m,
bartlett_test.m, chisquare_test_homogeneity.m, chisquare_test_independence.m,
kolmogorov_smirnov_test.m, run_test.m, u_test.m, wilcoxon_test.m, z_test.m,
z_test_2.m, bin2dec.m, dec2base.m, mat2str.m, strcat.m, strchr.m, strjust.m,
strtok.m, substr.m, untabify.m, assert.m, demo.m, example.m, fail.m, speed.m,
test.m, now.m: Use Octave coding conventions for cuddling parentheses in
scripts directory.
author | Rik <octave@nomad.inbox5.com> |
---|---|
date | Tue, 17 Jul 2012 07:08:39 -0700 |
parents | aad7d7ee8e8a |
children | bc924baa2c4e |
rev | line source |
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1 ## Copyright (C) 1994-2012 John W. Eaton |
10032 | 2 ## Copyright (C) 2009 Jaroslav Hajek |
2313 | 3 ## |
4 ## This file is part of Octave. | |
5 ## | |
6 ## Octave is free software; you can redistribute it and/or modify it | |
7 ## under the terms of the GNU General Public License as published by | |
7016 | 8 ## the Free Software Foundation; either version 3 of the License, or (at |
9 ## your option) any later version. | |
2313 | 10 ## |
11 ## Octave is distributed in the hope that it will be useful, but | |
12 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 ## General Public License for more details. | |
15 ## | |
16 ## You should have received a copy of the GNU General Public License | |
7016 | 17 ## along with Octave; see the file COPYING. If not, see |
18 ## <http://www.gnu.org/licenses/>. | |
920 | 19 |
3361 | 20 ## -*- texinfo -*- |
21 ## @deftypefn {Function File} {} strcat (@var{s1}, @var{s2}, @dots{}) | |
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22 ## Return a string containing all the arguments concatenated |
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23 ## horizontally. If the arguments are cells strings, @code{strcat} |
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24 ## returns a cell string with the individual cells concatenated. |
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25 ## For numerical input, each element is converted to the |
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26 ## corresponding ASCII character. Trailing white space for each of |
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27 ## the inputs (@var{s1}, @var{S2}, @dots{}) is eliminated before they |
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28 ## are concatenated. |
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29 ## |
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30 ## For example: |
3426 | 31 ## |
3361 | 32 ## @example |
33 ## @group | |
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34 ## strcat ("|", " leading space is preserved", "|") |
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35 ## @result{} | leading space is perserved| |
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36 ## @end group |
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37 ## @end example |
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38 ## |
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39 ## @example |
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40 ## @group |
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41 ## strcat ("|", "trailing space is eliminated ", "|") |
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42 ## @result{} |trailing space is eliminated| |
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43 ## @end group |
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44 ## @end example |
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45 ## |
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46 ## @example |
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47 ## @group |
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48 ## strcat ("homogeneous space |", " ", "| is also eliminated") |
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49 ## @result{} homogeneous space || is also eliminated |
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50 ## @end group |
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51 ## @end example |
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52 ## |
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53 ## @example |
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54 ## @group |
3361 | 55 ## s = [ "ab"; "cde" ]; |
56 ## strcat (s, s, s) | |
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57 ## @result{} |
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58 ## "ab ab ab " |
3361 | 59 ## "cdecdecde" |
60 ## @end group | |
61 ## @end example | |
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62 ## |
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63 ## @example |
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64 ## @group |
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65 ## s = @{ "ab"; "cde" @}; |
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66 ## strcat (s, s, s) |
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67 ## @result{} |
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68 ## @{ |
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69 ## [1,1] = ababab |
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70 ## [2,1] = cdecdecde |
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71 ## @} |
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72 ## @end group |
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73 ## @end example |
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74 ## |
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75 ## @seealso{cstrcat, char, strvcat} |
3361 | 76 ## @end deftypefn |
2697 | 77 |
2314 | 78 ## Author: jwe |
79 | |
6138 | 80 function st = strcat (varargin) |
920 | 81 |
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82 if (nargin > 0) |
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83 if (nargin == 1) |
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84 st = varargin{1}; |
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85 elseif (nargin > 1) |
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86 ## Convert to cells of strings |
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87 uo = "uniformoutput"; |
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88 reals = cellfun ("isreal", varargin); |
10032 | 89 if (any (reals)) |
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90 varargin(reals) = cellfun ("char", varargin(reals), uo, false); |
10032 | 91 endif |
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92 chars = cellfun ("isclass", varargin, "char"); |
10032 | 93 allchar = all (chars); |
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94 varargin(chars) = cellfun ("cellstr", varargin(chars), uo, false); |
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95 if (! all (cellfun ("isclass", varargin, "cell"))) |
10032 | 96 error ("strcat: inputs must be strings or cells of strings"); |
97 endif | |
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98 |
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99 ## We don't actually need to bring all cells to common size, because |
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100 ## cellfun can now expand scalar cells. |
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101 err = common_size (varargin{:}); |
10032 | 102 |
103 if (err) | |
104 error ("strcat: arguments must be the same size, or be scalars"); | |
105 endif | |
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106 |
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107 ## Cellfun handles everything for us. |
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108 st = cellfun ("horzcat", varargin{:}, uo, false); |
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109 |
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110 if (allchar) |
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111 ## If all inputs were strings, return strings. |
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112 st = char (st); |
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113 endif |
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114 endif |
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115 else |
6046 | 116 print_usage (); |
920 | 117 endif |
118 | |
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119 endfunction |
920 | 120 |
6138 | 121 ## test the dimensionality |
122 ## 1d | |
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123 %!assert (strcat ("ab ", "ab "), "abab") |
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124 %!assert (strcat ({"ab "}, "ab "), {"ab ab"}) |
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125 %!assert (strcat ("ab ", {"ab "}), {"abab "}) |
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126 %!assert (strcat ({"ab "}, {"ab "}), {"ab ab "}) |
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127 %!assert (strcat ("", "ab"), "ab") |
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128 %!assert (strcat ("", {"ab"}, {""}), {"ab"}) |
6138 | 129 ## 2d |
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130 %!assert (strcat (["ab ";"cde"], ["ab ";"cde"]), ["abab ";"cdecde"]) |
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132 ## test for deblanking implied trailing spaces of character input |
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133 %!assert (strcat ("foo", "bar"), "foobar") |
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134 %!assert (strcat (["a"; "bb"], ["foo"; "bar"]), ["afoo "; "bbbar"]) |
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135 |
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136 ## test for mixing character and cell inputs |
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137 %!assert (strcat ("a", {"bc", "de"}, "f"), {"abcf", "adef"}) |
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139 ## test for scalar strings with vector strings |
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140 %!assert (strcat (["a"; "b"], "c"), ["ac"; "bc"]) |
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141 |
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142 ## test with cells with strings of differing lengths |
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143 %!assert (all (strcmp (strcat ({"a", "bb"}, "ccc"), {"accc", "bbccc"}))) |
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144 %!assert (all (strcmp (strcat ("a", {"bb", "ccc"}), {"abb", "accc"}))) |
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146 %!assert (strcat (1, 2), strcat (char (1), char (2))) |
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147 %!assert (strcat ("", 2), strcat ([], char (2))) |
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149 %!error strcat () |
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150 |