#! /usr/bin/python
#! /usr/bin/python

import os
os.system('cat systems.py')

import sys
print ' '
print 'what is your info? (type CTRL-D when done)'
w = sys.stdin.readlines() # keyboard input, ctrl-d to end
print w

import time
print ' '
print time.ctime() # translate that to English

print ' '
cmd = 'ls -l'
fp = os.popen(cmd)
res = fp.read()
print res

import commands
print ' '
print commands.getoutput('ypcat passwd | egrep ":13:"')

import re
for line in re.split('\n',commands.getoutput('ypcat passwd')):
	if re.search(':13:',line):
		print line.split(':')[0], ': ', line.split(':')[4]
print ' '
for line in re.split('\n',commands.getoutput('ypcat passwd')):
	if re.search('^cs[5-9][0-9]+:',line):
		print line.split(':')[0], ': ', line.split(':')[4]