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ZGREP(1)							      ZGREP(1)

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)

Free Software Foundation	August 10, 1993			      ZGREP(1)

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