clearing global variables

[John W. Eaton]

On  6-Oct-2010, Michael Johnson wrote:

| I'm new to this list, so please forgive me if this has been discussed. I
| searched through the mailing list history, but found no recent discussions of
| this issue.
| 
| I am using octave 3.2.4 on Fedora 11, and I'm unable to clear global
| variables. I have a few questions: Am I doing something wrong? Is this
| intended behavior? Is this a bug? Here's some example code:
| 
| octave:1> global VAR = 1;
| octave:2> clear all
| octave:3> global VAR = 0;
| octave:4> VAR
| VAR =  1
| 
| I would really think VAR would be redefined to be 0 after the clear all...

This appears to work correctly with a copy of Octave built from the
current sources:

  octave:1> global v = 1
  octave:2> v
  v =  1
  octave:3> clear all
  octave:4> v
  error: `v' undefined near line 4 column 1
  octave:4> global v = 0
  octave:5> v
  v = 0


jwe