octave-antonio: scripts/path/savepath.m annotate

annotate scripts/path/savepath.m @ 8920:eb63fbe60fab

update copyright notices

author	John W. Eaton <jwe@octave.org>
date	Sat, 07 Mar 2009 10:41:27 -0500
parents	5dd06f19e9be
children	fca0dc2fb042

rev	line source
8920 eb63fbe60fab update copyright notices John W. Eaton <jwe@octave.org> parents: 8746 diff changeset	1 ## Copyright (C) 2005, 2006, 2007, 2008, 2009 Bill Denney
5732 17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	2 ##
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	3 ## This file is part of Octave.
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	4 ##
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	5 ## Octave is free software; you can redistribute it and/or modify it
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	6 ## under the terms of the GNU General Public License as published by
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6807 diff changeset	7 ## the Free Software Foundation; either version 3 of the License, or (at
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6807 diff changeset	8 ## your option) any later version.
5732 17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	9 ##
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	10 ## Octave is distributed in the hope that it will be useful, but
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	13 ## General Public License for more details.
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	14 ##
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	15 ## You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6807 diff changeset	16 ## along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6807 diff changeset	17 ## <http://www.gnu.org/licenses/>.
5732 17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	18
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	19 ## -- texinfo --
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	20 ## @deftypefn {Function File} {} savepath (@var{file})
8586 31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	21 ## Save the the portion of the current function search path, that is
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	22 ## not set during Octave's initialization process, to @var{file}.
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	23 ## If @var{file} is omitted, @file{~/.octaverc} is used. If successful,
5804 296cefb48d7e [project @ 2006-05-10 20:10:10 by jwe] jwe parents: 5736 diff changeset	24 ## @code{savepath} returns 0.
5814 67bf9b4f2ae2 [project @ 2006-05-11 21:58:34 by jwe] jwe parents: 5804 diff changeset	25 ## @seealso{path, addpath, rmpath, genpath, pathdef, pathsep}
5732 17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	26 ## @end deftypefn
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	27
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	28 ## Author: Bill Denney <bill@givebillmoney.com>
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	29
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	30 function varargout = savepath (savefile)
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	31
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	32 retval = 1;
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	33
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	34 beginstring = "## Begin savepath auto-created section, do not edit";
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	35 endstring = "## End savepath auto-created section";
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	36
5733 6b345b4961ca [project @ 2006-04-04 18:03:51 by jwe] jwe parents: 5732 diff changeset	37 if (nargin == 0)
8608 5cc1fba0a7d6 style and ChangeLog fixes John W. Eaton <jwe@octave.org> parents: 8586 diff changeset	38 savefile = fullfile ("~", ".octaverc");
5732 17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	39 endif
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	40
5733 6b345b4961ca [project @ 2006-04-04 18:03:51 by jwe] jwe parents: 5732 diff changeset	41 ## parse the file if it exists to see if we should replace a section
6b345b4961ca [project @ 2006-04-04 18:03:51 by jwe] jwe parents: 5732 diff changeset	42 ## or create a section
5732 17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	43 startline = 0;
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	44 endline = 0;
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	45 filelines = {};
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	46 if (exist (savefile) == 2)
5733 6b345b4961ca [project @ 2006-04-04 18:03:51 by jwe] jwe parents: 5732 diff changeset	47 ## read in all lines of the file
5732 17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	48 [fid, msg] = fopen (savefile, "rt");
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	49 if (fid < 0)
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	50 error ("savepath: could not open savefile, %s: %s", savefile, msg);
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	51 endif
7392 17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	52 unwind_protect
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	53 linenum = 0;
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	54 while (linenum >= 0)
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	55 result = fgetl (fid);
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	56 if (isnumeric (result))
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	57 ## end at the end of file
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	58 linenum = -1;
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	59 else
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	60 linenum = linenum + 1;
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	61 filelines{linenum} = result;
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	62 ## find the first and last lines if they exist in the file
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	63 if (strcmp (result, beginstring))
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	64 startline = linenum;
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	65 elseif (strcmp (result, endstring))
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	66 endline = linenum;
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	67 endif
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	68 endif
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	69 endwhile
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	70 unwind_protect_cleanup
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	71 closeread = fclose (fid);
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	72 if (closeread < 0)
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	73 error ("savepath: could not close savefile after reading, %s",
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	74 savefile);
5732 17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	75 endif
7392 17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	76 end_unwind_protect
5732 17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	77 endif
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	78
5733 6b345b4961ca [project @ 2006-04-04 18:03:51 by jwe] jwe parents: 5732 diff changeset	79 if (startline > endline \|\| (startline > 0 && endline == 0))
5735 3a89e82677f0 [project @ 2006-04-04 19:21:31 by jwe] jwe parents: 5733 diff changeset	80 error ("savepath: unable to parse file, %s", savefile);
5732 17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	81 endif
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	82
5733 6b345b4961ca [project @ 2006-04-04 18:03:51 by jwe] jwe parents: 5732 diff changeset	83 ## put the current savepath lines into the file
6b345b4961ca [project @ 2006-04-04 18:03:51 by jwe] jwe parents: 5732 diff changeset	84 if (isempty (filelines)
6b345b4961ca [project @ 2006-04-04 18:03:51 by jwe] jwe parents: 5732 diff changeset	85 \|\| (startline == 1 && endline == length (filelines)))
6b345b4961ca [project @ 2006-04-04 18:03:51 by jwe] jwe parents: 5732 diff changeset	86 ## savepath is the entire file
5732 17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	87 pre = post = {};
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	88 elseif (endline == 0)
5733 6b345b4961ca [project @ 2006-04-04 18:03:51 by jwe] jwe parents: 5732 diff changeset	89 ## drop the savepath statements at the end of the file
5732 17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	90 pre = filelines;
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	91 post = {};
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	92 elseif (startline == 1)
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	93 pre = {};
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	94 post = filelines(endline+1:end);
8608 5cc1fba0a7d6 style and ChangeLog fixes John W. Eaton <jwe@octave.org> parents: 8586 diff changeset	95 elseif (endline == length (filelines))
5732 17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	96 pre = filelines(1:startline-1);
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	97 post = {};
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	98 else
5733 6b345b4961ca [project @ 2006-04-04 18:03:51 by jwe] jwe parents: 5732 diff changeset	99 ## insert in the middle
5732 17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	100 pre = filelines(1:startline-1);
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	101 post = filelines(endline+1:end);
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	102 endif
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	103
5733 6b345b4961ca [project @ 2006-04-04 18:03:51 by jwe] jwe parents: 5732 diff changeset	104 ## write the results
5732 17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	105 [fid, msg] = fopen (savefile, "wt");
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	106 if (fid < 0)
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	107 error ("savepath: unable to open file for writing, %s, %s", savefile, msg);
7151 aeeb646f6538 [project @ 2007-11-09 19:34:17 by jwe] jwe parents: 7017 diff changeset	108 endif
7392 17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	109 unwind_protect
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	110 for i = 1:length (pre)
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	111 fprintf (fid, "%s\n", pre{i})
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	112 endfor
5736 e07baa8b93b9 [project @ 2006-04-04 19:41:45 by jwe] jwe parents: 5735 diff changeset	113
8586 31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	114 ## Remove the portion of the path defined via the command line
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	115 ## and/or the environment.
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	116 workingpath = parsepath (path);
8609 fcf762ba66cf load-path.cc (Fcommand_line_path): rename from Fcommandlinepath John W. Eaton <jwe@octave.org> parents: 8608 diff changeset	117 command_line_path = parsepath (command_line_path ());
8586 31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	118 octave_path = parsepath (getenv ("OCTAVE_PATH"));
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	119 if (isempty (pathdef ()))
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	120 ## This occurs when running octave via run-octave. In this instance
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	121 ## the entire path is specified via the command line and pathdef()
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	122 ## is empty.
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	123 [tmp, n] = setdiff (workingpath, octave_path);
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	124 default_path = command_line_path;
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	125 else
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	126 [tmp, n] = setdiff (workingpath, union (command_line_path, octave_path));
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	127 default_path = parsepath (pathdef ());
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	128 endif
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	129 ## This is the path we'd like to preserve when octave is run.
8608 5cc1fba0a7d6 style and ChangeLog fixes John W. Eaton <jwe@octave.org> parents: 8586 diff changeset	130 path_to_preserve = workingpath (sort (n));
8586 31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	131
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	132 ## Determine the path to Octave's user and sytem wide pkgs.
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	133 [pkg_user, pkg_system] = pkg ("list");
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	134 pkg_user_path = cell (1, numel (pkg_user));
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	135 pkg_system_path = cell (1, numel (pkg_system));
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	136 for n = 1:numel(pkg_user)
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	137 pkg_user_path{n} = pkg_user{n}.archprefix;
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	138 endfor
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	139 for n = 1:numel(pkg_system)
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	140 pkg_system_path{n} = pkg_system{n}.archprefix;
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	141 endfor
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	142 pkg_path = union (pkg_user_path, pkg_system_path);
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	143
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	144 ## Rely on Octave's initialization to include the pkg path elements.
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	145 if (! isempty (pkg_path))
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	146 [tmp, n] = setdiff (path_to_preserve, strcat (pkg_path, ":"));
8608 5cc1fba0a7d6 style and ChangeLog fixes John W. Eaton <jwe@octave.org> parents: 8586 diff changeset	147 path_to_preserve = path_to_preserve (sort (n));
8586 31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	148 endif
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	149
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	150 ## Split the path to be saved into two groups. Those path elements that
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	151 ## belong at the beginning and those at the end.
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	152 if (! isempty (default_path))
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	153 n1 = strmatch (default_path{1}, path_to_preserve, "exact");
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	154 n2 = strmatch (default_path{end}, path_to_preserve, "exact");
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	155 n_middle = round (0.5*(n1+n2));
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	156 [tmp, n] = setdiff (path_to_preserve, default_path);
8608 5cc1fba0a7d6 style and ChangeLog fixes John W. Eaton <jwe@octave.org> parents: 8586 diff changeset	157 path_to_save = path_to_preserve (sort (n));
8586 31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	158 ## Remove pwd
8608 5cc1fba0a7d6 style and ChangeLog fixes John W. Eaton <jwe@octave.org> parents: 8586 diff changeset	159 path_to_save = path_to_save (! strcmpi (path_to_save,
5cc1fba0a7d6 style and ChangeLog fixes John W. Eaton <jwe@octave.org> parents: 8586 diff changeset	160 strcat (".", pathsep)));
8586 31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	161 n = ones (size (path_to_save));
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	162 for m = 1:numel(path_to_save)
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	163 n(m) = strmatch (path_to_save{m}, path_to_preserve);
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	164 endfor
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	165 path_to_save_begin = path_to_save(n <= n_middle);
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	166 path_to_save_end = path_to_save(n > n_middle);
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	167 else
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	168 path_to_save_begin = path_to_preserve;
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	169 path_to_save_end = {};
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	170 endif
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	171 path_to_save_begin = cell2mat (path_to_save_begin);
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	172 path_to_save_end = cell2mat (path_to_save_end);
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	173
7392 17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	174 ## Use single quotes for PATH argument to avoid string escape
7393 a2e8cfe2fd17 [project @ 2008-01-17 08:46:54 by jwe] jwe parents: 7392 diff changeset	175 ## processing. Since we are using single quotes around the arg,
a2e8cfe2fd17 [project @ 2008-01-17 08:46:54 by jwe] jwe parents: 7392 diff changeset	176 ## double any single quote characters found in the string.
8586 31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	177 fprintf (fid, "%s\n", beginstring)
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	178 if (! isempty (path_to_save_begin))
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	179 n = find (path_to_save_begin != pathsep, 1, "last");
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	180 fprintf (fid, " addpath ('%s', '-begin');\n",
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	181 strrep (path_to_save_begin(1:n), "'", "''"))
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	182 endif
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	183 if (! isempty (path_to_save_end))
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	184 n = find (path_to_save_end != pathsep, 1, "last");
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	185 fprintf (fid, " addpath ('%s', '-end');\n",
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	186 strrep (path_to_save_end(1:n), "'", "''"))
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	187 endif
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	188 fprintf (fid, "%s\n", endstring)
5736 e07baa8b93b9 [project @ 2006-04-04 19:41:45 by jwe] jwe parents: 5735 diff changeset	189
7392 17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	190 for i = 1:length (post)
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	191 fprintf (fid, "%s\n", post{i});
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	192 endfor
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	193 unwind_protect_cleanup
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	194 closeread = fclose (fid);
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	195 if (closeread < 0)
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	196 error ("savepath: could not close savefile after writing, %s", savefile);
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	197 elseif (nargin == 0)
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	198 warning ("savepath: current path saved to %s", savefile);
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	199 endif
17f2cdb5232e [project @ 2008-01-17 08:14:32 by jwe] jwe parents: 7391 diff changeset	200 end_unwind_protect
5732 17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	201
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	202 retval = 0;
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	203
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	204 if (nargout == 1)
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	205 varargout{1} = retval;
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	206 endif
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	207
17d87fbd7010 [project @ 2006-04-04 17:50:46 by jwe] jwe parents: diff changeset	208 endfunction
8586 31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	209
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	210 function path_elements = parsepath (p)
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	211 pat = sprintf ("([^%s]+[%s$])", pathsep, pathsep);
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	212 [jnk1, jnk2, jnk3, path_elements] = regexpi (strcat (p, pathsep), pat);
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	213 endfunction
31ab3b83bc8a savepath: Respect cmd-line and env paths. Ben Abbott <bpabbott@mac.com> parents: 7393 diff changeset	214

Mercurial > octave-antonio

annotate scripts/path/savepath.m @ 8920:eb63fbe60fab