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I would like to write a cross-platform script using shell so I can run it on linux, mac os and windows. I'm using cygwin on windows to make this possible. However, there are some custom commands that I need to execute on windows only. Is there a way to detect if the shell if running on windows in shell script? Thanks!

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up vote 3 down vote accepted

You can parse the output of the uname command to determine the underlying OS.

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Thanks! I also found OSType is available for my purpose. – logoin Sep 13 '10 at 16:26

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