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https://issues.apache.org/jira/browse/CLI-285?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17824636#comment-17824636
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Claude Warren commented on CLI-285:
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Upon further reflection I think that to complete the set of check of valid
option conditions, it is necessary to have a "requires" field that will accept
either an OptionsCollection or an Option. In this case the option would only
be valid if the requires were also valid and present.
> Multiple Options in Option Group
> --------------------------------
>
> Key: CLI-285
> URL: https://issues.apache.org/jira/browse/CLI-285
> Project: Commons CLI
> Issue Type: Improvement
> Components: CLI-1.x
> Reporter: Richard Kao
> Priority: Major
>
> Allow the creation of multiple Options with in an OptionGroup so something
> like the following can be created:
> [ -a ] [ [ -b <arg>] [ -c <arg> ] | [ -d <arg> ] | [ -e <arg> ]]
> So these would be valid:
> -b <arg>
> -c <arg>
> -b <arg> -c <arg>
> -d <arg>
> -e <arg>
> The "-d", "-e", and "-b -c" are mutually exclusive
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