def truncate('text.txt', 'text2.txt', tval = 6):
	with open('text.txt', 'r') as inf:
		names = inf.readlines()
	with open('text2.txt', 'w') as ouf:
		ouf.write('\n'.join([name[:tval].strip() for name in names]))

truncate('text.txt', 'text2.txt')