#!/bin/sh -e
# A cut-down version of 'which' from debianutils. Returns zero if executable
# $1 is found on $PATH.
PROGRAM="$1"
IFS=:
RET=1
for ELEMENT in $PATH; do
    if [ -z "$ELEMENT" ]; then ELEMENT=.; fi
    if [ -f "$ELEMENT/$PROGRAM" ] && [ -x "$ELEMENT/$PROGRAM" ]; then
        exit 0
    fi
done
exit 1
