Message5024

Jython 2.5.0 (Release_2_5_0:6476, Jun 16 2009, 13:33:26) 
[Java HotSpot(TM) Server VM (Sun Microsystems Inc.)] on java1.6.0_14
Type "help", "copyright", "credits" or "license" for more information.
>>> import os
>>> p = os.popen('ls nonexisting')
>>> ls: cannot access nonexisting: No such file or directory

>>> print p.close()
None

Jython 2.2 on java1.6.0_14
Type "copyright", "credits" or "license" for more information.
>>> import os
>>> p = os.popen('ls nonexisting')
>>> print p.close()
2