#!/usr/bin/python3
# poor man's who

import utmp
from UTMPCONST import *
import time

a = utmp.UtmpRecord()

print ("%-10s %-10s %5s %-25s %-20s" % ("USER", "TTY", "PID", "HOST", "LOGIN"))

for b in a: # example of using an iterator
    if b.ut_type == USER_PROCESS:
        print ( "%-10s %-10s %5i %-25s %-20s" % \
               (b.ut_user, b.ut_line, b.ut_pid, 
                b.ut_host, time.ctime(b.ut_tv[0]))
              )
a.endutent()

