Refactor the help/usage message for canplayer #522
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Limit the error return value only to unknown options. If the utility is invoked with the help option '-h', display the usage message and exit successfully. Co-authored-by: Filip Valgimigli <filip.valgimigli@unimore.it> Signed-off-by: Filip Valgimigli <filip.valgimigli@unimore.it>
Oh, I really missed on this. I amended the previous commit so it's all well packed together. Hope it looks good know |
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Dear maintainers,
as a side effect of PR #521 development, we noticed that the
canplayerutility returns with an error value, even when asked for the help message explicitly. We thought it might be nicer to limit the above behavior only to unknown options.We also changed the option from a question mark
-?into an-h, which is more common among CLI tools.Hope you'll find these nuances sound and do not hesitate to request changes.
Have a great day again!