ref: a9d4e5967cb7ddd34d2e6f0826ca6a38deb3b35f
dir: /acme/bin/Isspam/
#!/bin/rc
if(! ~ $#* 0){
echo usage: Isspam >[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/isspam