praba kar wrote:
Dear All,

     In Php If I send a command to system function
then It will return 1 on success and 0 on failure.  So
based upon that value I can to further work.

     But In Python If I send a command to system
function then It will return 0 only for both
conditions(success and failure).

Are you sure about that?

In [3]:os.system('cat foo')
cat: foo: No such file or directory
Out[3]:256

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Robert Kern
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