Mercurial > octave-nkf
view scripts/miscellaneous/fullfile.m @ 16994:333243133364
Use matrix concatenation for strings, rather than cstrcat(), for clarity and performance.
matrix concatenation is ~80% faster than cstrcat().
* doc/interpreter/strings.txi: Document preference for matrix concatenation
as opposed to alternatives.
* doc/interpreter/geometryimages.m, doc/interpreter/interpimages.m,
doc/interpreter/plotimages.m, doc/interpreter/sparseimages.m,
doc/interpreter/splineimages.m, scripts/general/genvarname.m,
scripts/general/int2str.m, scripts/general/num2str.m,
scripts/help/__makeinfo__.m, scripts/help/help.m,
scripts/miscellaneous/copyfile.m, scripts/miscellaneous/dir.m,
scripts/miscellaneous/edit.m, scripts/miscellaneous/fact.m,
scripts/miscellaneous/fullfile.m, scripts/miscellaneous/mkoctfile.m,
scripts/miscellaneous/movefile.m, scripts/miscellaneous/perl.m,
scripts/miscellaneous/python.m, scripts/miscellaneous/run.m,
scripts/miscellaneous/tempdir.m, scripts/miscellaneous/unpack.m,
scripts/pkg/private/configure_make.m, scripts/pkg/private/create_pkgadddel.m,
scripts/pkg/private/extract_pkg.m, scripts/pkg/private/get_description.m,
scripts/pkg/private/get_forge_pkg.m, scripts/pkg/private/getarch.m,
scripts/pkg/private/getarchprefix.m, scripts/pkg/private/install.m,
scripts/pkg/private/installed_packages.m,
scripts/pkg/private/load_packages_and_dependencies.m,
scripts/pkg/private/rebuild.m, scripts/pkg/private/repackage.m,
scripts/pkg/private/shell.m, scripts/pkg/private/uninstall.m,
scripts/plot/private/__go_draw_axes__.m, scripts/signal/spectral_adf.m,
scripts/signal/spectral_xdf.m, scripts/statistics/tests/z_test.m,
scripts/statistics/tests/z_test_2.m, scripts/strings/mat2str.m,
scripts/strings/strtok.m, scripts/testfun/__run_test_suite__.m,
scripts/testfun/assert.m, scripts/testfun/demo.m, scripts/testfun/speed.m,
scripts/testfun/test.m, test/eval-catch.tst, test/io.tst, test/try.tst: Replace
cstrcat() with matrix concatenation where possible.
author | Rik <rik@octave.org> |
---|---|
date | Wed, 17 Jul 2013 14:02:32 -0700 |
parents | f3d52523cde1 |
children | d63878346099 |
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## Copyright (C) 2003-2012 John W. Eaton ## ## This file is part of Octave. ## ## Octave 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 3 of the License, or (at ## your option) any later version. ## ## Octave 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 Octave; see the file COPYING. If not, see ## <http://www.gnu.org/licenses/>. ## -*- texinfo -*- ## @deftypefn {Function File} {@var{filename} =} fullfile (@var{dir1}, @var{dir2}, @dots{}, @var{file}) ## Return a complete filename constructed from the given components. ## @seealso{fileparts} ## @end deftypefn function filename = fullfile (varargin) if (nargin > 0) ## Discard all empty arguments varargin(cellfun ("isempty", varargin)) = []; nargs = numel (varargin); if (nargs > 1) filename = varargin{1}; if (strcmp (filename(end), filesep)) filename(end) = ""; endif for i = 2:nargs tmp = varargin{i}; if (i < nargs && strcmp (tmp(end), filesep)) tmp(end) = ""; elseif (i == nargs && strcmp (tmp, filesep)) tmp = ""; endif filename = [filename filesep tmp]; endfor elseif (nargs == 1) filename = varargin{1}; else filename = ""; endif else print_usage (); endif endfunction %!shared fs, fsx, xfs, fsxfs, xfsy %! fs = filesep (); %! fsx = [fs "x"]; %! xfs = ["x" fs]; %! fsxfs = [fs "x" fs]; %! xfsy = ["x" fs "y"]; %!assert (fullfile (""), "") %!assert (fullfile (fs), fs) %!assert (fullfile ("", fs), fs) %!assert (fullfile (fs, ""), fs) %!assert (fullfile ("", fs), fs) %!assert (fullfile ("x"), "x") %!assert (fullfile ("", "x"), "x") %!assert (fullfile ("x", ""), "x") %!assert (fullfile ("", "x", ""), "x") %!assert (fullfile ("x", "y"), xfsy) %!assert (fullfile ("x", "", "y"), xfsy) %!assert (fullfile ("x", "", "y", ""), xfsy) %!assert (fullfile ("", "x", "", "y", ""), xfsy) %!assert (fullfile (fs), fs) %!assert (fullfile (fs, fs), fs) %!assert (fullfile (fs, "x"), fsx) %!assert (fullfile (fs, xfs), fsxfs) %!assert (fullfile (fsx, fs), fsxfs) %!assert (fullfile (fs, "x", fs), fsxfs)