Within a script on a *nix machine, I use os.chdir then os.popen, and it appears to me as though the os.chdir had no effect so far as the os.popen is concerned. Why's that? Here's what I'm doing:
>>> import os >>> os.path.realpath( os.curdir ) '/home/jlooney' >>> print os.popen( "echo $PWD" ).readlines() ['/home/jlooney\n'] >>> >>> os.chdir( "/tmp" ) >>> os.path.realpath( os.curdir ) '/tmp' >>> print os.popen( "echo $PWD" ).readlines() ['/home/jlooney\n'] >>> You'll notice that initially, the current paths are the same, and correct. After I call os.chdir, and try os.popen, it's not in the new directory. When I do other things like creating new files, the chdir did exactly what I expected. What I don't understand is why os.popen appears to be special? How do I change directories within a script and have popen see that change? -JB
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