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Preserve colouring after piping grep to grep
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MikeTheLiar
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How to port data-only volumes from one host to another?
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How to do date/time comparison
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Using multiple let-as within a if-statement in Swift
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Mixing a PHP variable with a string literal
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Capitalize or change case of an NSString in Objective-C
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theChrisKenttheChrisKent
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Python module os.chmod(file, 664) does not change the permission to rw-rw-r— but -w--wx----
...y
treats any integer with a leading zero as octal. So os.chmod("file",
484) (in decimal) would give the same result.
What you are doing is passing 664 which in octal is 1230
In your case you would need
os.chmod("/tmp/test_file", 436)
[Update] Note, for Python 3 you have prefix with 0o ...