ref: 275fbc93fdb2a60a98065fe5438bd8518c28ad76
dir: /acme/bin/Spam/
#!/bin/rc if(! ~ $#* 0){ echo usage: Spam >[1=2] exit usage } if(! ~ `{pwd} /mail/fs/*/[0-9]* || ! test -f raw || ! test -f unixheader){ echo must run in mail directory >[1=2] exit 'bad dir' } cat unixheader raw | upas/spam