[Octave-bug-tracker] [bug #34676] saving matlab binary V6 truncates variable names to 31 characters

[Josh Rigler]

URL:
  <http://savannah.gnu.org/bugs/?34676>

                 Summary: saving matlab binary V6 truncates variable names to
31 characters
                 Project: GNU Octave
            Submitted by: riglerej
            Submitted on: Fri 28 Oct 2011 04:50:41 PM GMT
                Category: None
                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: 3.4.2
        Operating System: GNU/Linux

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Details:

If one has variable names longer than 31 characters they get truncated when
using the default matlab binary save option (i.e., "save -mat-binary
filename.mat *"). I also tried "save -V6 filename.mat *" (got the same
result), and "save -V7 filename.mat *" (this retained long variable names, but
it compresses the binary file, which takes a very long time when the Octave
session holds on the order of GB of data).


FWIW, I originally posted a bug report about this ~6 years ago, and thought
the problem had been fixed then. It seems like this might be a regression.

-EJR




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