ref: f54d6a87c93ad53e47f54bb6adb94dc3ce23457e 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 }