#!/bin/bash

[[ ! -x `which formail` ]] && echo need formail && exit 1
[[ ! -x `which procmail` ]] && echo need procmail && exit 1

[[ ! -f $1 ]] && echo cannot find file $1 && exit 1
[[ -f $1.tmp ]] && echo stale file $1.tmp found -- please clean-up first && exit 1

# need to use /tmp so we can also re-process /var/mail/*
echo -n mbox for $1 ...
mv $1 /tmp/$1.tmp
formail -s procmail < /tmp/$1.tmp && rm -f /tmp/$1.tmp && echo done