ref: 3160d64112b0f517da51ad82ec4f00f0a5ebe6e3
dir: /clear/
#!/bin/rc # clears all the output from programs, # leaving only the command prompts grep `{echo -n '^'^$prompt(1)} </dev/text | \ grep -v '^'^$prompt(1)^'(clear|"")' | \ uniq >/tmp/clearing.$pid cp /tmp/clearing.$pid /dev/text rm -f /tmp/clearing.$pid