example10.48

UNIX+shell范例精解（第4版）代码

#!/bin/csh -f
if ( ! -e memo ) then
	echo  "memo file non existent"
	exit 1
endif
foreach person (anish bob don karl jaye)
	if ("$person" =~ [Kk]arl) continue
	mail -s "Party time"  $person < memo
end