When I run 'dotest /g/tmp/mbox' I receive an error message
[jgarzik@pretzel netdev-2.6]$ dotest /g/tmp/mbox mailinfo msg-file path-file filelist-file < email
and if you look at the dotest script, it only passes 2 args to mailinfo, not the 3 args that the above usage message appears to require:
for i in .dotest/*
do
mailinfo .dotest/msg .dotest/patch < $i > .dotest/info || exit 1
...