[Rd] Small modification of zip.file.extract in utils?

From: Jon Olav Skoien <j.skoien_at_geo.uu.nl>
Date: Thu, 30 Oct 2008 20:08:27 +0100


Dear list,

I needed to extract a zip-archive, and found zip.file.extract in utils. My only problem was the use of tempdir(), since I wanted to permanently extract the archive at a fixed location for later use. My own fix was simple, adding an extra parameter zipdir (without default), and within the function change
tmpd <- tempdir()
to
tmpd = ifelse(missing(zipdir),tempdir(),zipdir)

This modification could maybe be useful also for other users, unless there are some problems I am not aware of?

Cheers,
Jon



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