ref: 6669b2c0a19c010493f5343ec136987081672efd
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