STINNER Victor <[EMAIL PROTECTED]> added the comment: About Python3, os.popen() is more than two times faster (0.20 sec vs 0.50 sec) than subprocess.Popen()! It's amazing because popen() opens the standard output as unicode file whereas Popen() creates a binary file! Another funny thing: os.popen() calls subprocess.Popen() :-) The difference is just this instruction: stdout = io.TextIOWrapper(stdout)
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