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by alex-g
4613 days ago
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Mark Jason Dominus did a quick-and-dirty survey on where usage messages should go: http://blog.plover.com/Unix/usage.html Most people think stderr (so as not to muck up pipelines when you get the invocation syntax wrong). But then there is also the cleverer option of using stdout if and only if the help is explicitly requested, which seems to be justifiable, popular in the survey, but (I think) not much implemented. |
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