Plan 9 from Bell Labs’s /usr/web/sources/contrib/stallion/rc/list/grep

Copyright © 2021 Plan 9 Foundation.
Distributed under the MIT License.
Download the Plan 9 distribution.


#!/bin/rc
# list/grep - grep(1) upas patternfile

if(! ~ $#* 2){
	echo >[1=2] usage: list/grep name pattern
	exit usage
}

patternfile=`{list/of $1}
if(! ~ $status '')
	exit $status
grep -e $2 $patternfile

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