#!/usr/bin/perl -i.before_postproc

# Author  : David Sherwood
# Version : 1.0
# Copyright : none.
#
# Slice3R GCODE laser cutter post-processor

use strict;
use warnings;

# read stdin and any/all files passed as parameters one line at a time

while (<> ) {
   
    if (/G11/) {
        # if we have an un-retraction line, replace it with laser power on
        print "M400 ; wait for moves to finish\nM104 S100 ; laser on\n";
    }
    
    elsif (/G10/) {
        # if we found a retraction line, replace it with laser power off
        print "M104 S0 ; laser off\n";
    }
    
    elsif (/G92/) {
        # if we found an extruder reset command line, remove it
        print "";
    }
      
    elsif (/M190/) {
        # if we found a heat bed command line, remove it
        print "";
    }    
           
    else {
	print or die $!;
    }
}