#!/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