bzgrep - Man Page
search possibly bzip2 compressed files for a regular expression
Examples (TL;DR)
- Search for a pattern within a compressed file:
bzgrep "search_pattern" path/to/file - Recursively search files in a bzip2 compressed
.tararchive for a pattern:bzgrep [-r|--recursive] "search_pattern" path/to/tar_file - Print 3 lines of [C]ontext around, [B]efore, or [A]fter each match:
bzgrep --context|--before-context|--after-context 3 "search_pattern" path/to/file - Print file name and line number for each match:
bzgrep [-H|--with-filename] [-n|--line-number] "search_pattern" path/to/file - Search for lines matching a pattern, printing only the matched text:
bzgrep [-o|--only-matching] "search_pattern" path/to/file - Search
stdinfor lines that do not match a pattern:cat path/to/bz_compressed_file | bzgrep [-v|--invert-match] "search_pattern" - Use extended
regex(supports?,+,{},(), and|), in case-insensitive mode:bzgrep [-E|--extended-regexp] [-i|--ignore-case] "search_pattern" path/to/file
Synopsis
bzgrep [ grep_options ] [ -e ] pattern filename...
bzegrep [ egrep_options ] [ -e ] pattern filename...
bzfgrep [ fgrep_options ] [ -e ] pattern filename...
Description
Bzgrep is used to invoke the grep on bzip2-compressed files. All options specified are passed directly to grep. If no file is specified, then the standard input is decompressed if necessary and fed to grep. Otherwise the given files are uncompressed if necessary and fed to grep.
If bzgrep is invoked as bzegrep or bzfgrep then egrep or fgrep is used instead of grep. If the GREP environment variable is set, bzgrep uses it as the grep program to be invoked. For example:
for sh: GREP=fgrep bzgrep string files
for csh: (setenv GREP fgrep; bzgrep string files)
Author
Charles Levert (charles@comm.polymtl.ca). Adapted to bzip2 by Philippe Troin <phil@fifi.org> for Debian GNU/Linux.
See Also
grep(1), egrep(1), fgrep(1), bzdiff(1), bzmore(1), bzless(1), bzip2(1)
Referenced By
The man pages bzegrep(1) and bzfgrep(1) are aliases of bzgrep(1).