[Octave-bug-tracker] [bug #41923] genvarname produces variables with leading underscores

[cyberdork33]

URL:
  <http://savannah.gnu.org/bugs/?41923>

                 Summary: genvarname produces variables with leading
underscores
                 Project: GNU Octave
            Submitted by: cyberdork33
            Submitted on: Fri 21 Mar 2014 02:48:57 PM GMT
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Matlab Compatibility
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 3.8.1
        Operating System: GNU/Linux

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Details:

Note that I have replicated this on GNU/Linux and OS X 10.8.

octave allows the use of variables names with a leading underscore. data
created in octave and saved CAN be loaded in MATLAB, but when working with
data, issues can arise where variables with leading underscores would be
encountered. 

MATLAB's genvarname uses 'x' as a leading character instead of '_' 

in octave:

octave:9> genvarname('250_VAR')
ans = _250_VAR


matlab (2013b at least) does not allow leading underscores in variable names.


>> struct._250_Var = 10
 struct._250_Var = 10
        |
Error: The input character is not valid in MATLAB statements or expressions.





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