Hi there, Module commands is gone in python3, so I am trying subprocess. So please I would appreciate if someone can tell me how to do this better:
before I had: cmd = 'uname -a' out = commands.getoutput(cmd) 'Darwin amadeus.local 10.4.0 Darwin Kernel Version 10.4.0: Fri Apr 23 18:28:53 PDT 2010; root:xnu-1504.7.4~1/RELEASE_I386 i386 i386 MacBookPro5,2 Darwin' now: out = sub.Popen(cmd, shell=True, stderr = sub.STDOUT, stdout = sub.PIPE).communicate()[0][:-1] b'Darwin amadeus.local 10.4.0 Darwin Kernel Version 10.4.0: Fri Apr 23 18:28:53 PDT 2010; root:xnu-1504.7.4~1/RELEASE_I386 i386 i386 MacBookPro5,2 Darwin' Yes, it's ugly. the [:-1] above is to get read of the last '\n' which with getoutputs I didn't have. But what's giving headache is this "b'..." in the beginning. Can someone explain, point me to where I can now about it and how to make this better? I wanted a plain string in out. Many thanks in advance, Alan -- Alan Wilter S. da Silva, D.Sc. - CCPN Research Associate Department of Biochemistry, University of Cambridge. 80 Tennis Court Road, Cambridge CB2 1GA, UK. >>http://www.bio.cam.ac.uk/~awd28<<
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