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[Octave-bug-tracker] [bug #41135] Add the "-all" keyword to "which"

From: Michael C. Grant
Subject: [Octave-bug-tracker] [bug #41135] Add the "-all" keyword to "which"
Date: Tue, 07 Jan 2014 15:38:56 +0000
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_1) AppleWebKit/537.73.11 (KHTML, like Gecko) Version/7.0.1 Safari/537.73.11


                 Summary: Add the "-all" keyword to "which"
                 Project: GNU Octave
            Submitted by: mcgrant
            Submitted on: Tue 07 Jan 2014 03:38:55 PM GMT
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Matlab Compatibility
                  Status: None
             Assigned to: None
         Originator Name: Michael C. Grant
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: Any



MATLAB's "which" command accepts an "-all" modifier which, if requested,
returns all instances of a given function name on the search path. For
instance, "which norm -all" on my system yields this:

built-in (/Applications/MATLAB_R2013b.app/toolbox/matlab/matfun/@single/norm) 
% single method
built-in (/Applications/MATLAB_R2013b.app/toolbox/matlab/matfun/@double/norm) 
% double method
% cvx method

I use this capability in a couple of different places in CVX. I suppose I
can't offer a reason why this should be a critical fix but if I can offer a
patch to __which__ in corefcn/help.cc, would y'all accept it? I have someone I
might be able to put on the case; I'm going to point him to this bug report
right now. 


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