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Date: Fri, 2 Feb 2001 13:02:23 -0600
From: JT Williams <jeffw AT darwin DOT sfbr DOT org>
To: djgpp-workers AT delorie DOT com
Subject: Re: Beta of xdelta 1.1.1 port uploaded
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-: > I've just uploaded a port of xdelta 1.1.1 to:

What is xdelta?

               XDelta -- A binary delta generator

Announcing version 1.0 of XDelta.  XDelta is a library interface and
application program designed to compute changes between files.  These
changes (deltas) are similar to the output of the "diff" program in
that they may be used to store and transmit only the changes between
files.  However, unlike diff, the output of XDelta is not expressed in
a human-readable format--XDelta can also also apply these deltas to a
copy of the original file(s).  XDelta uses a fast, linear algorithm
and performs well on both binary and text files.  XDelta typically
outperforms GNU diff in both time and generated-delta-size, even for
plain text files.  XDelta also includes a simple implementation of the
Rsync algorithm and several advanced features for implementing
RCS-like file-archival with.