#!/usr/bin/perl
# Created by Ben Okopnik on Mon Dec 22 22:13:11 EST 2003
use warnings;
use strict;

my ( $ans, %loc );

$loc{IP} = "10.28.4.20";
$loc{netmask} = "255.255.255.0";
$loc{resolver1} = "216.240.40.162";
$loc{resolver2} = "216.240.40.163";
$loc{gateway} = "10.28.4.130";

for my $var ( sort keys %loc ){
	print "What is the $var? (default: $loc{$var}) ";
	chomp( $ans = <STDIN> );
	if ( $ans =~ /\d+(?:\.\d+){3}/ ){
		local ( $^I, $ARGV[0] ) = ( '', $0 );
		while ( <> ){
			s/^(\$loc{$var} = ").*(";)$/$1$ans$2/;
			print;
		}
	}
}

print <<`ShellOut`
ifconfig eth0 $loc{IP} netmask $loc{netmask}
echo "nameserver $loc{resolver1}" >  /etc/resolv.conf
echo "nameserver $loc{resolver2}" >> /etc/resolv.conf
route add default gw $loc{gateway}
ShellOut