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ZTEST(1)                         User Commands                        ZTEST(1)

NAME
       ztest - verify integrity of compressed files

SYNOPSIS
       ztest [options] [files]

DESCRIPTION
       Ztest verifies the integrity of the specified compressed files.
       Uncompressed files are ignored. If no files are specified, the
       integrity of compressed data read from standard input is verified. Data
       read from standard input must be all in the same compression format.

       The supported formats are bzip2, gzip, lzip and xz.

       Note that some xz files lack integrity information, and therefore can't
       be verified as reliably as the other formats can.

       Exit status is 0 if all compressed files verify OK, 1 if environmental
       problems (file not found, invalid flags, I/O errors, etc), 2 if any
       compressed file is corrupt or invalid.

OPTIONS
       -h, --help
              display this help and exit

       -V, --version
              output version information and exit

       -M, --format=<list>
              process only the formats in <list>

       -N, --no-rcfile
              don't read runtime configuration file

       -O, --force-format=<fmt>
              force given format (bz2, gz, lz, xz)

       -q, --quiet
              suppress all messages

       -r, --recursive
              operate recursively on directories

       -v, --verbose
              be verbose (a 2nd -v gives more)

       --bz2=<command>
              set compressor and options for bzip2 format

       --gz=<command>
              set compressor and options for gzip format

       --lz=<command>
              set compressor and options for lzip format

       --xz=<command>
              set compressor and options for xz format

REPORTING BUGS
       Report bugs to zutils-bug@nongnu.org
       Zutils home page: http://www.nongnu.org/zutils/zutils.html

COPYRIGHT
       Copyright (C) 2015 Antonio Diaz Diaz.  License GPLv2+: GNU GPL version
       2 or later <http://gnu.org/licenses/gpl.html>
       This is free software: you are free to change and redistribute it.
       There is NO WARRANTY, to the extent permitted by law.

ztest (zutils) 1.4                 May 2015                           ZTEST(1)