zgrep(1) -- Linux man page
NAME
zgrep - search possibly compressed files for a regular expression
SYNOPSIS
zgrep
[ grep_options ]
[ -e ] pattern
filename...
DESCRIPTION
Zgrep
is used to invoke the
grep
on compress'ed or gzip'ed 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
zgrep
is invoked as
zegrep
or
zfgrep
then
egrep
or
fgrep
is used instead of
grep.
If the GREP environment variable is set,
zgrep
uses it as the
grep
program to be invoked. For example:
for sh: GREP=fgrep zgrep string files
for csh: (setenv GREP fgrep; zgrep string files)
AUTHOR
Charles Levert (charles@comm.polymtl.ca)
SEE ALSO
grep(1), egrep(1), fgrep(1), zdiff(1), zmore(1), znew(1), zforce(1),
gzip(1), gzexe(1)
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