You can use a head block inline (already in core).

On Wed, May 11, 2016 at 4:09 PM Richard Bell <[email protected]>
wrote:

> Hello,
>
> I want to add an additional parameter to the existing file sink block that
> lets the user tell it how many items to save to file. This amounts to
> adding a few lines to the existing file sink work function.
>
> What's the smartest way to do this? What I would do currently is create a
> new block, copy and paste the existing file sink code to my new block and
> add the few lines of code to change it. Is there a smarter way?
>
> Rich
> _______________________________________________
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>
-- 
Very Respectfully,

Dan CaJacob
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