Re: constructing variable names from strings

[Carlo De Falco]

On 18 Jun 2015, at 16:54, D Peter Siddons <address@hidden> wrote:

> Is it possible to build a variable name from strings?

yes, you can do that by using assignin, see 'help assignin' for more info.
you may also assign values to the fields of a struct defined via a string 
variable:

>> value = 1;
>> str = 'field_name';
>> struct_variable.(str) = value;

> I'd like to batch-process a lot of data. The data is held in directories 
> identified by the dataset number, with Octave variable names built (by a C 
> program) from the dataset number. I then need to loop through these 
> directories to perform more processing, loading the data and saving processed 
> data based on the dataset ID. I need to have the variables uniquely 
> identified with the dataset because I need to have multiple datasets in 
> memory simultaneously.

I'm not sure I get exactly what you mean, maybe a short example would make it 
clearer?

c.