1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
########################################################################
##
## Copyright (C) 2003-2022 The Octave Project Developers
##
## See the file COPYRIGHT.md in the top-level directory of this
## distribution or <https://octave.org/copyright/>.
##
## 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
## <https://www.gnu.org/licenses/>.
##
########################################################################
## -*- texinfo -*-
## @deftypefn {} {@var{dir} =} tempdir ()
## Return the name of the host system's directory for temporary files.
##
## The directory name is taken first from the environment variable
## @env{TMPDIR}. If that does not exist the system default returned by
## @code{P_tmpdir} is used.
## @seealso{P_tmpdir, tempname, mkstemp, tmpfile}
## @end deftypefn
function dirname = tempdir ()
dirname = getenv ("TMPDIR");
if (isempty (dirname))
dirname = P_tmpdir ();
endif
if (! strcmp (dirname(end), filesep))
dirname = [dirname filesep];
endif
if (! isfolder (dirname))
warning ("tempdir: '%s' does not exist or is not a directory", dirname);
endif
endfunction
%!assert (ischar (tempdir ()))
%!test
%! old_wstate = warning ("query");
%! warning ("off");
%! old_tmpdir = getenv ("TMPDIR");
%! unwind_protect
%! setenv ("TMPDIR", "__MY_TMP_DIR__");
%! assert (tempdir (), ["__MY_TMP_DIR__" filesep()]);
%! unwind_protect_cleanup
%! if (! isempty (old_tmpdir))
%! setenv ("TMPDIR", old_tmpdir);
%! else
%! unsetenv ("TMPDIR");
%! endif
%! warning (old_wstate);
%! end_unwind_protect
|
