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Description
Zutils is a collection of utilities able to deal with any combination of
compressed and uncompressed files transparently. If any given file,
including standard input, is compressed, its decompressed content is
used. Compressed files are decompressed on the fly; no temporary files
are created.
These utilities are not wrapper scripts but safer and more efficient C++
programs. In particular the "--recursive" option is very efficient in
those utilities supporting it.
The provided utilities are zcat, zcmp, zdiff, zgrep and ztest.
The supported formats are bzip2, gzip, lzip and xz.
The compressor to be used for each format is configurable at runtime.
Zcat, zcmp, zdiff, and zgrep are improved replacements for the shell
scripts provided with GNU gzip. Ztest is unique to zutils.
NOTE: Bzip2 and lzip provide well-defined values of exit status, which
makes them safe to use with zutils. Gzip and xz may return ambiguous
warning values, making them less reliable backends for zutils.
LANGUAGE NOTE: Uncompressed = not compressed = plain data; it may never
have been compressed. Decompressed is used to refer to data which has
undergone the process of decompression.
Copyright (C) 2009, 2010, 2011, 2012, 2013 Antonio Diaz Diaz.
This file is free documentation: you have unlimited permission to copy,
distribute and modify it.
The file Makefile.in is a data file used by configure to produce the
Makefile. It has the same copyright owner and permissions that configure
itself.
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