#!/bin/rc
# which

if (~ $#* 0){
	echo 'usage: which file...'
	exit 'usage'
}

if(test -e /env/fn'#'$1)
  cat /env/fn'#'$1

for(i in $path)
	if (test -f $i/$1)
		echo $i/$1

for (i in `{ns | awk '$NF == "/bin" {print $(NF -1)}'})
	if (test -f $i/$1)
		echo 'bin:' $i/$1