Line2Line Python Script

l2l.py

#!/usr/bin/python
import sys, getopt
from itertools import izip

def main(argv):
	source = ''
	target = ''
	try:
		opts, args = getopt.getopt(argv,"hs:t:",["source=","target="])

	except getopt.GetoptError:
		print 'l2l.py -s <File to append from> -t <File to append to>'
		sys.exit(2)
	for opt, arg in opts:
		if opt == '-h':
			print 'l2l.py -s <File to append from> -t <File to append to>'
			sys.exit()
		elif opt in ("-s", "--source"):
			source = arg
		elif opt in ("-t", "--target"):
			target = arg

	source_file = open(source)
	target_file = open(target)

	with open('result.txt', 'w') as result, target_file as t, source_file as s:
		for line1, line2 in zip(t, s):
			result.write("{} {}\n".format(line1.rstrip(), line2.rstrip()))

if __name__ == "__main__":
	main(sys.argv[1:])