clear all inside function

[John W. Eaton]

On 10-Jun-2009, Jaroslav Hajek wrote:

| On Tue, Jun 9, 2009 at 5:12 PM, John W. Eaton<jwe at octave.org> wrote:
| > What is supposed to happen with "clear all" inside a function?
| >
| > Given the claim that the program posted here
| >
| >  https://www-old.cae.wisc.edu/pipermail/help-octave/2009-June/014713.html
| >
| > works in Matlab, it seems it should not be clearing functions.  I
| > guess this works in 3.0.x, but with the current sources, and a .m file
| > containing the following
| >
| >  function main ()
| >    clear all
| >    sub
| >  end
| >  function sub ()
| >    'this is sub'
| >  end
| >
| > I see
| >
| >  octave:2> main
| >  error: `sub' undefined near line 3 column 3
| >  error: called from:
| >  error:   /scratch/jwe/build/octave/main.m at line 3, column 3
| >
| > jwe
| >
| 
| Matlab explicitly says that
| "All functions and global variables are cleared in both the function
| workspace and in your base workspace"

If that's correct, then how does the above work in Matlab?  Can
someone else verify that it does in fact work?

jwe