#!/bin/sh
# Bourne shell version of which - ignores aliases
_which () {
    notfound=1
    for i in `echo $PATH|tr : \ `
    do
	if [ -x $i/$1 -a ! -d $i/$1 ]; then
	    echo $i/$1
	    notfound=0
	    break
	fi
    done
    return $notfound
}


if _which $1; then
    exit 0
else
    echo $1: Command not found.
    exit 1
fi