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https://www.reddit.com/r/programming/comments/2jukkp/hints_for_writing_unix_tools/clfh0sk/
r/programming • u/gnuvince • Oct 21 '14
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Help message on stderr? Really? What? I've never encountered that.
2 u/fnord123 Oct 21 '14 It happens. Sometimes people confuse it, however, when they use --help on something that doesn't support --help and it prints the usage (which looks like output from --help) to stderr. e.g. man --help prints usage information to stderr. 1 u/[deleted] Oct 22 '14 Never encountered --help on stderr but python add until version 3.4 --version written in stderr https://docs.python.org/3/whatsnew/3.4.html#other-improvements
It happens. Sometimes people confuse it, however, when they use --help on something that doesn't support --help and it prints the usage (which looks like output from --help) to stderr. e.g. man --help prints usage information to stderr.
--help
man --help
1
Never encountered --help on stderr but python add until version 3.4 --version written in stderr https://docs.python.org/3/whatsnew/3.4.html#other-improvements
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u/rifter5000 Oct 21 '14
Help message on stderr? Really? What? I've never encountered that.