ZGREP
Section: User Commands (1)
Page Index
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@comm.polymtl.ca)
SEE ALSO
grep(1),
gzexe(1),
gzip(1),
zdiff(1),
zforce(1),
zmore(1),
znew(1)