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#!/bin/rc
rfork e
opts=()
files=()
argv0=$0
while(! ~ $#* 0){
	switch($1){
	case -e
		opts=($opts $1 $2)
		shift
	case -[cfinsv]
		opts=($opts $1)
	case -q
		opts=($opts -s)
	case -*
		echo $argv0 $1 not supported >[2=1]
		exit 'not supported'
	case *
		files=($files $1)
	}
	shift
}
exec /$cputype/bin/grep $opts $files
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