ZGREP(1) General Commands Manual ZGREP(1) NAME zgrep - search possibly compressed files for a regular expression SYNOPSIS zgrep [ grep_options ] [ -e ] pattern filename... DESCRIPTION Zgrep invokes grep on compressed or gzipped 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 the GREP environment variable is set, zgrep uses it as the grep program to be invoked. EXIT STATUS Exit status is 0 for a match, 1 for no matches, and 2 if trouble. BUGS The following grep options are not supported: --dereference-recursive (-R), --directories (-d), --exclude, --exclude-from, --exclude-dir, --include, --null (-Z), --null-data (-z), and --recursive (-r). AUTHOR Charles Levert (charles AT comm.ca) SEE ALSO grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1) ZGREP(1)
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