Pipe error codes off by a factor of 256

[Jonathan Giddy]

Skip Montanaro <skip at mojam.com> writes:

] That's the way the underlying popen works, and it's documented, sort of.
] From the os lib reference page:
] 
]     The exit status of the command (encoded in the format specified for
]     wait()) is available as the return value of the close() method of the
]     file object, except that when the exit status is zero (termination
]     without errors), None is returned.
] 
] Unfortunately, I don't find any documentation on wait's return status.
] 
The os module provides access to the exit status parsing functions WEXITSTATUS 
and friends.  They are documented in the Process Management section of the
os module docs.