usr/src/cmd/lvm/metassist/scripts/errifoutput.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, Version 1.0 only
   7 # (the "License").  You may not use this file except in compliance
   8 # with the License.
   9 #
  10 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  11 # or http://www.opensolaris.org/os/licensing.
  12 # See the License for the specific language governing permissions
  13 # and limitations under the License.
  14 #
  15 # When distributing Covered Code, include this CDDL HEADER in each
  16 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  17 # If applicable, add the following below this CDDL HEADER, with the
  18 # fields enclosed by brackets "[]" replaced with your own identifying
  19 # information: Portions Copyright [yyyy] [name of copyright owner]
  20 #
  21 # CDDL HEADER END
  22 #
  23 #
  24 # Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
  25 # Use is subject to license terms.
  26 #
  27 # ident "%Z%%M% %I%     %E% SMI"
  28 #
  29 # Runs the command passed as arguments, echoes the output to stderr.
  30 #
  31 # Exits with 0 (success) if the command exits with 0 and has no
  32 # output.
  33 #
  34 # Exits with 1 (failure) if the command exits with 0 and has output.
  35 #
  36 # Exits with the exit code of the command if it exits with a non-zero
  37 # exit code.
  38
  39 output=`"$@" 2>&1`
  40 result=$?
  41
  42 if [ -n "$output" ]
  43 then
  44     echo "$output" >&2
  45     test $result = 0 && result=1
  46 fi
  47
  48 exit $result