ref: dffbc1e45d61bb928ea6a9d0b1206d641daf24fe
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