# have this already
continue
px = subprocess.Popen(['grep', '-i', arg], stdin=px.stdout, stdout=subprocess.PIPE)
- p4 = subprocess.Popen(['head', '-n 2'], stdin=px.stdout, stdout=subprocess.PIPE)
+ p4 = subprocess.Popen(['head', '-n 1'], stdin=px.stdout, stdout=subprocess.PIPE)
p1.stdout.close()
output = p4.communicate()
return output[0].decode("utf8")[:-1]# strip trailing '\n'