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Diffstat (limited to 'man/man1/mktd.1df')
| -rw-r--r-- | man/man1/mktd.1df | 38 |
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diff --git a/man/man1/mktd.1df b/man/man1/mktd.1df new file mode 100644 index 00000000..8224d2d7 --- /dev/null +++ b/man/man1/mktd.1df @@ -0,0 +1,38 @@ +.TH MKTD 1df "August 2016" "Manual page for mktd" +.SH NAME +.B mktd +\- try hard to safely create a temporary directory in a POSIX-compliant way +.SH SYNOPSIS +.B mktd +.br +.B mktd +foo +.SH DESCRIPTION +.B mktd +creates a temporary directory with a strong attempt at a random name in $TMPDIR +(defaults to /tmp), with a restrictive umask for the user running the script, +into which it should be safe to place temporary files. +.P +The author makes no guarantees about security, but this should be a lot safer +than just using a /tmp/$$ file. +.P +You could use it in a script like this: +.P + td= + cleanup() { + [ "$td" ] && rm -fr -- "$td" + if [ "$1" != EXIT ] ; then + trap - "$1" + kill "-$1" "$$" + fi + } + for sig in EXIT HUP INT TERM ; do + trap "cleanup $sig" "$sig" + done + td=$(mktd myprogram) || exit +.SH SEE ALSO +rndi(1df) +.br +<http://mywiki.wooledge.org/BashFAQ/062> +.SH AUTHOR +Tom Ryder <tom@sanctum.geek.nz> |