1#!/bin/sh 2 3candidate="$1" 4 5lzip=`which $candidate 2>/dev/null` 6if [ ! -x "$lzip" ]; then 7 lzip=`which lzip 2>/dev/null` 8 if [ ! -x "$lzip" ]; then 9 # echo nothing: no suitable lzip found 10 exit 1 11 fi 12fi 13 14echo $lzip 15