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xzgrep(1)                          XZ Utils                          xzgrep(1)


NAME

       xzgrep - search possibly-compressed files for patterns


SYNOPSIS

       xzgrep [option...] [pattern_list] [file...]
       xzegrep ...
       xzfgrep ...
       lzgrep ...
       lzegrep ...
       lzfgrep ...


DESCRIPTION

       xzgrep invokes grep(1) on uncompressed contents of files.  The formats
       of the files are determined from the filename suffixes.  Any file with
       a suffix supported by xz(1), gzip(1), bzip2(1), lzop(1), zstd(1), or
       lz4(1) will be decompressed; all other files are assumed to be
       uncompressed.

       If no files are specified or file is - then standard input is read.
       When reading from standard input, only files supported by xz(1) are
       decompressed.  Other files are assumed to be in uncompressed form
       already.

       Most options of grep(1) are supported.  However, the following options
       are not supported:


           -r, --recursive


           -R, --dereference-recursive


           -d, --directories=action


           -Z, --null


           -z, --null-data


           --include=glob


           --exclude=glob


           --exclude-from=file


           --exclude-dir=glob

       xzegrep is an alias for xzgrep -E.  xzfgrep is an alias for xzgrep -F.

       The commands lzgrep, lzegrep, and lzfgrep are provided for backward
       compatibility with LZMA Utils.


EXIT STATUS

       0      At least one match was found from at least one of the input
              files.  No errors occurred.

       1      No matches were found from any of the input files.  No errors
              occurred.

       >1     One or more errors occurred.  It is unknown if matches were
              found.


ENVIRONMENT

       GREP   If GREP is set to a non-empty value, it is used instead of grep,
              grep -E, or grep -F.


SEE ALSO

       grep(1), xz(1), gzip(1), bzip2(1), lzop(1), zstd(1), lz4(1), zgrep(1)

Tukaani                           2024-02-13                         xzgrep(1)

xz 5.6.1 - Generated Thu Mar 28 07:42:50 CDT 2024
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