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       dgrep, degrep, dfgrep, dzgrep -- grep through files belonging to an
       installed Debian package


       dgrep [most grep options] pattern package...

       dgrep --help


       dgrep invokes grep(1) on each file in one or more installed Debian

       It passes the package argument(s) to dglob(1) to retrieve a list of
       files in those packages. You can use POSIX regular expressions for the
       package names.

       If dgrep is invoked as degrep, dfgrep or dzgrep then egrep(1), fgrep(1)
       or zgrep(1) is used instead of grep.


       dgrep supports most of grep(1)’s options. Please refer to your grep
       documentation (i.e. the manpage or the texinfo manual) for a complete
       listing. Only a few options are excluded because they do not conform
       with the intended behaviour, see the list below.

   Options of grep that are not supported by dgrep
       -r, --recursive, -d recurse, --directories=recurse
       -d read, --directories=read
           dgrep searches only in the "normal" files of a package. It skips
           all directories and symlinks. Therefor the options of grep that are
           specific to directories are not supported.


       Matt Zimmerman <>

       This manpage was written by Frank Lichtenheld <>.


       Copyright (C) 2001 Matt Zimmerman <>.

       This program is free software; you can redistribute it and/or modify it
       under the terms of the GNU General Public License as published by the
       Free Software Foundation; either version 2, or (at your option) any
       later version.

       On Debian systems, a copy of the GNU General Public License may be
       found in /usr/share/common-licenses/GPL.


       grep(1), egrep(1), fgrep(1), zgrep(1), dglob(1), regex(7), dpkg(8)