Mercurial > octave
view scripts/miscellaneous/private/display_info_file.m @ 23084:ef4d915df748
maint: Merge stable to default.
author | John W. Eaton <jwe@octave.org> |
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date | Mon, 23 Jan 2017 14:27:48 -0500 |
parents | 3a2b891d0b33 e9a0469dedd9 |
children | 092078913d54 |
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## Copyright (C) 2013-2016 Carnë Draug ## ## 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/>. ## news() and citation() are very much alike. They both do the same thing, ## just for different files. This function does all the work. function display_info_file (func, package, file) if (! ischar (package)) error ("%s: PACKAGE must be a string", func); endif if (strcmpi (package, "octave")) octetcdir = __octave_config_info__ ("octetcdir"); filepath = fullfile (octetcdir, file); else installed = pkg ("list"); names = cellfun (@(x) x.name, installed, "UniformOutput", false); pos = strcmpi (names, package); if (! any (pos)) error ("%s: package '%s' is not installed.", func, package); endif filepath = fullfile (installed{pos}.dir, "packinfo", file); endif if (! exist (filepath, "file")) if (strcmpi (package, "octave")) error ("%s: broken installation -- unable to locate %s file", func, file); else error ("%s: unable to locate %s file for package %s", func, file, package); endif endif fid = fopen (filepath, "r"); while (ischar (line = fgets (fid))) puts (line); endwhile fclose (fid); endfunction