usr/src/cmd/getmajor/getmajor.sh

   1 #!/bin/sh
   2 #
   3 # CDDL HEADER START
   4 #
   5 # The contents of this file are subject to the terms of the
   6 # Common Development and Distribution License (the "License").
   7 # You may not use this file except in compliance with the License.
   8 #
   9 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10 # or http://www.opensolaris.org/os/licensing.
  11 # See the License for the specific language governing permissions
  12 # and limitations under the License.
  13 #
  14 # When distributing Covered Code, include this CDDL HEADER in each
  15 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16 # If applicable, add the following below this CDDL HEADER, with the
  17 # fields enclosed by brackets "[]" replaced with your own identifying
  18 # information: Portions Copyright [yyyy] [name of copyright owner]
  19 #
  20 # CDDL HEADER END
  21 #
  22
  23 # Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  24 # Use is subject to license terms.
  25 #
  26 #ident  "%Z%%M% %I%     %E% SMI"
  27
  28 if [ $# -ne 1 ]
  29 then
  30         echo "Usage: `basename $0` modname" >&2
  31         exit 2
  32 fi
  33
  34 exec nawk -v a="$1" -v del='#' '$1 !~ /^#|^$/ && $1 == a { \
  35     num = split($2, maj, del); \
  36     if (num > 1) { print maj[1] } else { print $2 } \
  37     found = 1; exit 0 } \
  38     END {if (!found) exit 1}' < /etc/name_to_major