Be explicit with sticky removal, so two simultaneous processes don't create a race where sticky is left enabled.
|/usr/local/bin/ezmlm-weed
|if test -f '/tmp/woo/test/subpostonly' -a -f '/tmp/woo/test/modpost'; then /usr/local/bin/ezmlm-confirm '/tmp/woo/test' /usr/local/bin/ezmlm-gate -Y '/tmp/woo/test' . digest allow mod; else /usr/local/bin/ezmlm-confirm '/tmp/woo/test' /usr/local/bin/ezmlm-store -Y '/tmp/woo/test'; fi
|if test -f '/tmp/woo/test/threaded'; then /usr/local/bin/ezmlm-archive '/tmp/woo/test' || exit 0; fi
|/usr/local/bin/ezmlm-clean '/tmp/woo/test' || exit 0
|/usr/local/bin/ezmlm-warn '/tmp/woo/test' || exit 0