#!/usr/bin/env python

from os import popen, system
from string import strip, split

programname = 'mpifxcorr'
verbose = 1
killfirst = False

def getpids():
	cmd = 'ps -e | grep %s' % programname
	ps = popen(cmd, 'r')
	pslines = ps.readlines()
	ps.close()
	pids = []
	for p in pslines:
		s = split(strip(p))
		if len(s) < 2:
			continue
		if s[3] != programname:
			continue
		pids.append(int(s[0]))
	return pids

pids = getpids()

if verbose > 0:
	print 'PIDs = ', pids

if len(pids) == 0:
	print 'no %s process appears to be running' % programname
elif len(pids) == 1:
	cmd = 'kill -INT %d' % (pids[0])
	print 'killing a process with: ', cmd
	system(cmd)
elif killfirst:
	cmd = 'kill -INT %d' % (pids[0])
	print 'killing first matching process with: ', cmd
	system(cmd)
else:
	print 'too many processes called %s running.  not killing' % \
		programname
	print 'kill by hand with "kill -INT <pid>" where <pid> is one of ', \
		pids