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Invalid option/parsing error should show help in addition to exception #49
Description
Activity
Seems reasonable. Of the three semi-random command choices of
grep,ls, andfindthat I tested on my macOS machine, all three provided usage info for an invalid argument. Setting to milestone 1.3.1.[kward@kward-macpro13 2020-04-13T23:33:13 %0]~/var/wa/github.com/kward/shunit2 $ grep --asdf grep: unrecognized option `--asdf' usage: grep [-abcDEFGHhIiJLlmnOoqRSsUVvwxZ] [-A num] [-B num] [-C[num]] [-e pattern] [-f file] [--binary-files=value] [--color=when] [--context[=num]] [--directories=action] [--label] [--line-buffered] [--null] [pattern] [file ...] [kward@kward-macpro13 2020-04-13T23:33:39 %0]~/var/wa/github.com/kward/shunit2 $ ls --asdf ls: illegal option -- - usage: ls [-@ABCFGHLOPRSTUWabcdefghiklmnopqrstuwx1%] [file ...] [kward@kward-macpro13 2020-04-13T23:33:42 %0]~/var/wa/github.com/kward/shunit2 $ find --asdf find: illegal option -- - usage: find [-H | -L | -P] [-EXdsx] [-f path] path ... [expression] find [-H | -L | -P] [-EXdsx] -f path [path ...] [expression]
running the hello_world.sh example from the 1.2 doc with an invalid option throws the error and exits .. it would be better to show the help in addition?
parsing error should show help