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| -rw-r--r-- | Doc/library/sys.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst index 0fa5bd4..52026f6 100644 --- a/Doc/library/sys.rst +++ b/Doc/library/sys.rst @@ -30,6 +30,12 @@ always available. To loop over the standard input, or the list of files given on the command line, see the :mod:`fileinput` module. + .. note:: + On Unix, command line arguments are passed by bytes from OS. Python decodes + them with filesystem encoding and "surrogateescape" error handler. + When you need original bytes, you can get it by + ``[os.fsencode(arg) for arg in sys.argv]``. + .. data:: base_exec_prefix |