/usr/bin/dgrep is in debian-goodies 0.63.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | #!/bin/sh
# dgrep -- grep through files belonging to an installed Debian package
# Copyright (C) 2001 Matt Zimmerman <mdz@debian.org>
# 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.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.
set -e
prog=`echo $0 | sed 's|.*/d||'`
case "$prog" in
grep|egrep|fgrep|zgrep|zegrep|zfgrep) ;;
*) echo >&2 "dpkg-grep: Unrecognized invocation: $0"; exit 1 ;;
esac
# Option parser modeled after the one in zgrep from GNU grep
recursive=0
opts=""
pat=""
after_args=""
while test $# -ne 0; do
case "$1" in
--recursive|--d*=recurse) echo >&2 "recursive grep not supported"
exit 1
;;
--d*=skip) ;;
--d*=read) echo >&2 "--directories=read not supported"; exit 1 ;;
--help)
echo "Usage: dgrep [most grep options] <pattern> <package>..."; exit 0 ;;
--*) ;;
-*)
case "$1" in
-*r*) echo >&2 "recursive grep not supported"; exit 1 ;;
esac
;;
esac
case "$after_args$1" in
-[ef]) opts="$opts $1"; shift; pat=$1 ;;
-[ABCdm]) opts="$opts $1 $2"; shift ;;
--) opts="$opts $1"; after_args=1 ;;
-*) opts="$opts $1" ;;
*)
if test -z "$pat"; then
pat=$1
else
break
fi
;;
esac
shift
done
exec dglob -0f "$@" | xargs -0r $prog $opts "$pat"
|