ref: 2e7097a3595d5ca53d2a92eaac24a0deafb2f38e dir: /rc/bin/mail/
#!/bin/rc switch($#*){ case 0 exec upas/nedmail } switch($1){ case -f* -r* -c* -m* exec upas/nedmail $* case * exec upas/marshal -8 $* }