import re
import argparse

def z_fix(f_in, f_out):
	for line in f_in:
		if re.match( "G1 X(.*) Y(.*) Z(.*) F(.*)", line ):
			list = line.split()
			new_line = "%s %s %s\n%s %s %s %s\n"%(list[0], list[3], list[4],
			                                		list[0], list[1], list[2], list[4])
			f_out.write(new_line)
		else:
			f_out.write(line)
			
def main():
	parser = argparse.ArgumentParser(description='Get filenames')
	parser.add_argument("infile")
	parser.add_argument('outfile')
	usage = "usage: %prog input output"
	args = parser.parse_args();
			
	f_in = open(args.infile, "r")
	f_out = open(args.outfile,'w')
	z_fix(f_in, f_out)
	f_in.close()
	f_out.close()
		
if __name__=='__main__':
    main()