I thought a quick post on PM would bring clarity from someone who knows for sure in a short thread. (Saving me time of digging through the module's source.)
Now, with a number of nebulous answers, I begin to think, this is becoming more of a PM Medidation...

From what I've read since the original post, Archive::Zip can only build zips in-memory. *wrong*, read on (it's actually quite smart)
IO::Compress::Zip as an alternative has finer grained IO control, but offers less control over zip member (re-)naming.

In reply to Re: Archive::Zip can only create zip-files in-memory, right? by isync
in thread Archive::Zip can only create zip-files in-memory, right? SOLVED by isync

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