#!/usr/bin/perl
#
# fped2d2z.pl - Convert fped 2D stacks into 2.5D paths with Z information
#
# Written 2012 by Werner Almesberger
# Copyright 2012 Werner Almesberger
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#


sub usage
{
	print STDERR "usage: $0 prefix [file ...]\n";
	exit(1);
}


$pfx = shift @ARGV;
&usage unless defined $pfx;

$skip = 1;
while (<>) {
	if (/^# $pfx.*?(\d+(\.\d*)?)\s*$/) {
		$z = $1;
		$skip = 0;
	} elsif (/^# /) {
		$skip = 1;
	}
	next if $skip;
	s/\s+-?\d+(\.\d*)?$/$& $z/;
	print;
}