aboyd,
Since your concern seems to be with speed, I would recommend taking a look at Performance Trap - Opening/Closing Files Inside a Loop. In a nutshell, the most cost effective approach is to avoid opening/closing filehandles and potentially to also buffer writes so that you reduce your biggest performance problem - IO.

Cheers - L~R

In reply to Re: Opine on multiple open filehandles vs. multiple loops through data by Limbic~Region
in thread Opine on multiple open filehandles vs. multiple loops through data by aboyd

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