GNU bug report logs - #15315
How to remove date in a gz file?

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From: Peng Yu <pengyu.ut <at> gmail.com>
To: 15315 <at> debbugs.gnu.org
Subject: bug#15315: How to remove date in a gz file?
Date: Mon, 9 Sep 2013 17:18:10 -0500

Hi,

~/linux/test/gnu/gzip/gzip$ file test1.txt.gz
test1.txt.gz: gzip compressed data, was "test1.txt", from Unix, last
modified: Tue Apr 30 08:16:41 2013

.gz files have the date information if it is not created with the
option '-n'. I'm wondering what is the most efficient way to remove
the date information. (One easy way is gunzip the file and then gzip
it with '-n', but when the file is large, it might take a long time.)
I'd imagine there should be a way to directly change the .gz file to
remove the date info. But I have not found a way to do. Does anybody
know a way? Thanks.

-- 
Regards,
Peng

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