No Arguments in subcommands #2301
-
|
I want to print help, If there are no arguments passed in sub commands. Is there any way? |
Beta Was this translation helpful? Give feedback.
Replies: 1 comment 2 replies
-
|
Please read the documentation carefully. We already have all this information in there. https://docs.rs/clap/2.33.3/clap/enum.AppSettings.html#variant.ArgRequiredElseHelp |
Beta Was this translation helpful? Give feedback.
-
|
If there is subcommand then it will be counted as argument and hence help will not be displayed. How can we print help even if there is a subcommand but not any other argument. |
Beta Was this translation helpful? Give feedback.
-
|
You just need to set this setting for that child subcommand. |
Beta Was this translation helpful? Give feedback.
Please read the documentation carefully. We already have all this information in there.
https://docs.rs/clap/2.33.3/clap/enum.AppSettings.html#variant.ArgRequiredElseHelp