It's reasonable to consider calling a command with a flag that is not
defined an error (whether that flag is -help or -verbose or -whatever). It
is common to return non 0 on error.
On Wednesday, 19 July 2017 11:31:42 UTC-7, Philippe Modard wrote:
>
> Hey go-nuts,
>
> I realize than running `mybinary --help` returns a nice help message along
> with a exit status 2.
> What is the reason it doesn't return 0?
>
> I fixed it by manually adding a help flag:
> ```
> var help = flag.Bool("help", false, "Print the help message")
> [...]
> if *help {
> flag.PrintDefaults()
> return
> }
> ```
>
> But I'm still confused why the default behavior is returning an error
> along with the right message.
>
> Cheers,
> Philmod
>
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