phpman > man > XZGREP(1)

Che Dong

Search files possibly compressed with `xz`, `lzma`, `gzip`, `bzip2`, `lzop`, or `zstd` using `regex`.

Search for a pattern within a file
xzgrep "{{search_pattern}}" {{path/to/file}}
Search for an exact string (disables `regex`)
xzgrep {{-F|--fixed-strings}} "{{exact_string}}" {{path/to/file}}
Search for a pattern in all files showing line numbers of matches
xzgrep {{-n|--line-number}} "{{search_pattern}}" {{path/to/file}}
Print 3 lines of Context around, Before, or After each match
xzgrep {{-context|--before-context|--after-context}} 3 "{{search_pattern}}" {{path/to/file}}
Print file name and line number for each match with color output
xzgrep {{-H|--with-filename}} {{-n|--line-number}} --color=always "{{search_pattern}}" {{path/to/file}}
Search for lines matching a pattern, printing only the matched text
xzgrep {{-o|--only-matching}} "{{search_pattern}}" {{path/to/file}}
Use extended `regex` (supports `?`, `+`, `{}`, `()`, and `|`), in case-insensitive mode
xzgrep {{-E|--extended-regexp}} {{-i|--ignore-case}} "{{search_pattern}}" {{path/to/file}}

XZGREP(1)                                     XZ Utils                                     XZGREP(1)



NAME
       xzgrep - search compressed files for a regular expression

SYNOPSIS
       xzgrep [grep_options] [-e] pattern file...
       xzegrep ...
       xzfgrep ...
       lzgrep ...
       lzegrep ...
       lzfgrep ...

DESCRIPTION
       xzgrep  invokes  grep(1)  on files which may be either uncompressed or compressed with xz(1),
       lzma(1), gzip(1), bzip2(1), lzop(1), or zstd(1).  All options specified are  passed  directly
       to grep(1).

       If no file is specified, then standard input is decompressed if necessary and fed to grep(1).
       When reading from standard input, gzip(1), bzip2(1), lzop(1), and  zstd(1)  compressed  files
       are not supported.

       If  xzgrep  is  invoked  as  xzegrep  or xzfgrep then egrep(1) or fgrep(1) is used instead of
       grep(1).  The same applies to names lzgrep, lzegrep, and  lzfgrep,  which  are  provided  for
       backward compatibility with LZMA Utils.

ENVIRONMENT
       GREP   If  the GREP environment variable is set, xzgrep uses it instead of grep(1), egrep(1),
              or fgrep(1).

SEE ALSO
       grep(1), xz(1), gzip(1), bzip2(1), lzop(1), zstd(1), zgrep(1)



Tukaani                                      2020-12-05                                    XZGREP(1)

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