shithub: bin.rc

ref: bfbee0e43fd147a6cfa1289e37c06f271adb0af4
dir: /bin/clear/

#!/bin/rc
if(~ $1 -a){
	>/dev/text
	exit
}
</dev/text sed '/^'^$prompt(1)^'/q' | sed '$d' >/tmp/clear
cat /tmp/clear >/dev/text