ref: aa8af9c5a32b5f3afe0e612981fe4d9fada43d34
dir: /rc/bin/ape/grep/
#!/bin/rc rfork e opts=() files=() argv0=$0 while(! ~ $#* 0){ switch($1){ case -[cefinsv] opts=($opts $1) case -q opts=($opts -s) case -* echo $argv0 $1 not supported >[1=2] exit 'not supported' case * files=($files $1) } shift } exec /$cputype/bin/grep $opts $files