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Posted to notifications@groovy.apache.org by "Remko Popma (JIRA)" <ji...@apache.org> on 2018/05/13 13:21:00 UTC

[jira] [Created] (GROOVY-8578) Add errorWriter property to commons-cli CliBuilder

Remko Popma created GROOVY-8578:
-----------------------------------

             Summary: Add errorWriter property to commons-cli CliBuilder
                 Key: GROOVY-8578
                 URL: https://issues.apache.org/jira/browse/GROOVY-8578
             Project: Groovy
          Issue Type: Task
          Components: command line processing
            Reporter: Remko Popma
             Fix For: 2.5.0-rc-3


The picocli version of CliBuilder has an {{errorWriter}} property ({{System.err}} by default) that is used to print the error message and usage help to when the user provided invalid input on the command line.

The previously existing {{writer}} property is used when the user requests help with {{--help}} or {{--version}}.

I think this improvement also makes sense for the commons-cli version of CliBuilder. I can raise a PR if there is interest.



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