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Improve help/usage text #101
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Use '-?' to get help. This is a convention going back many years as far back as the days of UNIX. |
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I really miss the
-h/--help
option. You have already implemented-h
for different purpose, so at least--help
should be implemented.Also, I think that usage output should be a separate function (e.g.
usage()
). For now, it could accept one parameter, eithershort
(short usage help text when the program dies) orfull
(full help text when issued with--help
(then it should return0
as it is a success).The full help text should include all options with there definitions (just like it is currently in the
README.md
.The full help text should also include examples.
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