diff options
Diffstat (limited to 'Doc/lib/libtempfile.tex')
-rw-r--r-- | Doc/lib/libtempfile.tex | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Doc/lib/libtempfile.tex b/Doc/lib/libtempfile.tex index 9da8663..9b4d848 100644 --- a/Doc/lib/libtempfile.tex +++ b/Doc/lib/libtempfile.tex @@ -86,7 +86,12 @@ If \var{prefix} is specified, the file name will begin with that prefix; otherwise, a default prefix is used. If \var{dir} is specified, the file will be created in that directory; -otherwise, a default directory is used. +otherwise, a default directory is used. The default directory is chosen +from a platform-dependent list, but the user of the application can control +the directory location by setting the \var{TMPDIR}, \var{TEMP} or \var{TMP} +environment variables. There is thus no guarantee that the generated +filename will have any nice properties, such as not requiring quoting when +passed to external commands via \code{os.popen()}. If \var{text} is specified, it indicates whether to open the file in binary mode (the default) or text mode. On some platforms, this makes |