Re: [Templates] TT in callback

> How can you avoid setting variables?

Bill Moseley wrote:
> How can you avoid setting variables?
[...]
>     [% BLOCK show_list %]
>         [%
>             FOREACH item = list;
>                 "Item = [$item]\n";
>             END;
>         %]
>     [% END %]

You're right, that would modify "item" in the stash.  I guess the 
reasons that this is never a problem for me are that I tend to use short 
throwaway names for loop variables and because I don't put much in the 
top level of the stash.  My data is usually organized underneath a few 
top-level entries like "config" and "search_results".

What I was really referring to with setting variables is doing 
calculations, regexes, database queries, XML parsing, etc. in the 
template and assigning the results to variables in the stash.  Some of 
the advanced users on the list do that quite a bit, but I believe most 
people use TT in a simpler pipeline style.

- Perrin

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