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st: Re: zip format

From   baum <>
Subject   st: Re: zip format
Date   Thu, 13 Feb 2003 10:46:07 -0500

--On Thursday, February 13, 2003 2:33 -0500 Nick wrote:

.zip as a particular format appears very common on Windows
platforms, but I believe can be less much common on Macs and on
Unixes. That of course is no reason not to develop something
for users of .zip files.
zip is readily accessible under Unix, and since Stata 8 only supports Mac OS X (which is Unix), this is not an issue for Mac users. But .zip is not as attractive as .gzip, in the sense that a zipfile is potentially an archive. The trick I suggested in my last posting will not work with a zipfile with multiple components, since you need then to specify which component is to be extracted. .gzip format (which is based on the GNU open source license) is more straightfoward here, since it only stores a single file in gzipped format. (It is possible to concatenate files into a single .gz, but that is not the common mode of use).


Christopher F Baum, Boston College Economics, Chestnut Hill MA 02467 USA
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