shithub: plan9front

ref: 0c7da78f4519f1352668b4b024f29fb1e887b3d2
dir: /sys/lib/samsave/

#!/bin/rc

file=$1
switch($#*){
case 1
	echo -n $file'?'
	yn=`{read < /dev/cons}
	if(~ $yn y){
		cat > $file
	}
case 2
	/bin/echo $file
	/bin/cat > $file
}