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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 19749] New: - HelpFormatter does not handle groups properly
Date Wed, 07 May 2003 22:02:42 GMT
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=19749

HelpFormatter does not handle groups properly

           Summary: HelpFormatter does not handle groups properly
           Product: Commons
           Version: 1.0 Final
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: CLI
        AssignedTo: commons-dev@jakarta.apache.org
        ReportedBy: etienne.pelletier@pegs.com


The HelpFormatter repeats Options that have previously been printed with the group.

The problem is in the else block where options not belonging to a group are
printed.  The code gets executed if it does not belong to a group -OR- if the
group has already been printed.

   if( group != null && !list.contains(group)) {
// this gets executed when a new group is found
...
} else {
  // this gets executed if the group is OR ISN'T null, and if group is in list.  
 ....
}

The else statement on line 267 should be as follows:

} else if (group == null) {
// This will make sure that options that have not been printed as part of a group
// will not get printed again.
...
}

I believe this change fixes the problem.

Also, the append on line 264 should add an extra space after the ] to make sure
that there will be a space between the ] and the next option.

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