buildroot

#!/bin/sh

​

candidate="$1"

​

lzip=`which $candidate 2>/dev/null`

if [ ! -x "$lzip" ]; then

    lzip=`which lzip 2>/dev/null`

    if [ ! -x "$lzip" ]; then

        # echo nothing: no suitable lzip found

        exit 1

    fi

fi

​

echo $lzip