ref: 72a168b5fb1d3b40bf6c8051d06d7237f27a7d2b 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 $* }