Udi pointed out,
| Anyway, I think that '*' will take lockfiles, tmpfiles, strangefiles
| and directories, to avoid this I use the "-d" in ls(1) and "[a-z0-9]*"
| in sed(1).
I see your point, and I see how you took care of strange names and lockfiles,
but I think you still let the names of directories pass (though using ls -d
kept them from having their own contents listed). Anyhow, it's easy enough to
fix the script:
#!/bin/sh
cd /var/mail
for user in *
do
case "$user" in
*[!a-z0-9]*) continue ;;
esac
test -f $user -a -s $user && formail -s procmail -d $user < $user
done
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