#!/bin/rc
# g - grep sources
rfork e
args=()
while(! ~ $#* 0 1 && ~ $1 -*) {
	args=($args $1)
	shift
}

if(~ $#* 0) {
	echo usage: $0 '[grep-opt]... [file]...' >[1=2]
	exit usage
}
if(~ $#* 1)
	exec grep -n $args -e $1 *.[chsy] /dev/null >[2]/dev/null
if not {
	args=($args -e $1)
	shift
	for(arg in $*){
		if(test -d $arg)
			args = ($args $arg/*.[chsy])
		if not
			args = ($args $arg)
	}
	exec grep -n $args /dev/null >[2]/dev/null
}