I am pleased to announce the release of zutils 1.5.
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
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, ztest and zupdate.
The supported formats are bzip2, gzip, lzip and xz.
Zutils uses external compressors. 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 by GNU gzip. ztest is unique to zutils. zupdate is
similar to gzip's znew.
The homepage is at http://www.nongnu.org/zutils/zutils.html
The sources can be downloaded from
The sha1sum is:
This release is also GPG signed. You can download the signature by
appending ".sig" to the URL.
Changes in version 1.5:
* zupdate now passes '-q' to zcmp if specified in the command line.
* zcat, zgrep and ztest no longer read from standard input more than
once if '-' is specified multiple times.
* zdiff now uses '_' as separator if both temporary file names are
otherwise different. For example 'xxx_file.lz' and 'xxx_file.gz'.
Please send bug reports and suggestions to email@example.com
Antonio Diaz, zutils author and maintainer.
Zutils-bug mailing list