rename, save `whos`

[Daniel Heiserer]

Hi,
is there a way to rename a matrix.
I mean a real "move" not a "copy" 
and a delete.

The thing is that I have thousands of matrices in my 
memory and I do not want to shuffle
GB of ram around.....

something like a 
rename('oldname','newname');

Is there also a way like in matlab to
store the result of 'whos' in  a struct?
----------------------------------------------------
>> a=rand(3,5);b=eye(100);
>> mydict=whos
mydict = 
2x1 struct array with fields:
    name
    size
    bytes
    class
>> mydict.name
ans =
a
ans =
b
>> mydict.size  
ans =
    3     5
ans =
   100   100
>> mydict.bytes
ans =
   120
ans =
       80000
>> mydict.class
ans =
double
ans =
double
----------------------------------------------------

thanks 

daniel



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