Pipe error codes off by a factor of 256
Ben Glazer
glazer at scicomp.com
Thu Dec 16 13:13:46 EST 1999
I'm trying to capture the error code from a pipe opened with os.popen().
I can successfully store the returned code in a variable, but the
returned code always is exactly 256 times larger than it should be.
i.e., if I should be receiving an error value of 1, I actually receive
256. If I should receive 2, I actually receive 512. And so on.
I can work around this bug by following any error capture with this
line:
if err: err = err / 256
However, it isn't really an optimal situation to include this line
every time I store an error code.
Has anyone witnessed this strange behavior before? Is there a way to
fix this problem?
Thanks,
Ben
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