#!/bin/sh perl="/usr/bin/perl" while [ ! -r $perl ] do echo "please enter the full path to perl" read perl if [ $perl = "exit" ]; then exit 1 fi done echo "#!$perl" > Configure3 echo >> Configure3 echo "\$perlpath = \"$perl\";" >> Configure3 cat Configure2 >> Configure3 chmod 700 Configure3 ./Configure3