src/cmd/mk/mkfile.test - plan9 - Git at Google

 |$PLAN9/bin/rc
 use-rc:V:
 	for(i in a b c)
 		echo $i

 |/bin/sh
 use-sh:V:
 	for i in a b c
 	do
 		echo $i
 	done
	\|$PLAN9/bin/rc
	use-rc:V:
	for(i in a b c)
	echo $i

	\|/bin/sh
	use-sh:V:
	for i in a b c
	do
	echo $i
	done