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Re: a few tar.xz packages are bigger than their uncompressed tar
- From: Jérôme Bouat <jerome dot bouat at laposte dot net>
- To: cygwin at cygwin dot com
- Date: Thu, 5 Oct 2017 21:09:51 +0200
- Subject: Re: a few tar.xz packages are bigger than their uncompressed tar
- Authentication-results: sourceware.org; auth=none
- References: <firstname.lastname@example.org> <email@example.com>
No compression method need ever increase the
size of the datum by more than one bit.
The compressed representation can begin with a header
bit which is 1 to indicate "compressed" and 0 to indicate
"stored without compression".
Does the xz format provide a checksum even if the file is stored without compression ?
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