[Tutor] Is an executable available?

Stuart Murdock s.e.murdock at soton.ac.uk
Mon Feb 14 11:26:36 CET 2005


I am working from within python and want to know the best way to know if 
a certain package is installed for use on my machine.

I want to know from within python that a specific executable file is on 
my path where I could actually run the command from a prompt in a system 

I don't want to restrict exacltly where the file is and I don't want to 
do a general try catch.

Are there any simple one or two liners that anyone is aware of?




Stuart Murdock Ph.D,
Research Fellow,
Dept. of Chemistry / E-Science,
University of Southampton,
Highfield, Southampton,
SO17 1BJ, United Kingdom

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