7290 ZFS test suite needs to control what utilities it can run
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>

*** 24,34 ****
  # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
  
  #
! # Copyright (c) 2013 by Delphix. All rights reserved.
  #
  
  #
  # A function to determine if a given pool name has an entry in cachefile
  # returns 1 if the pool is not in the cache, 0 otherwise.
--- 24,34 ----
  # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
  
  #
! # Copyright (c) 2013, 2016 by Delphix. All rights reserved.
  #
  
  #
  # A function to determine if a given pool name has an entry in cachefile
  # returns 1 if the pool is not in the cache, 0 otherwise.
*** 36,46 ****
  
          # checking for the pool name in the strings output of
          # the given cachefile, default is /etc/zfs/zpool.cache
          typeset cachefile=${2:-$CPATH}
  
!         RESULT=$($STRINGS $cachefile | $GREP -w $1)
          if [ -z "$RESULT" ]
          then
                  return 1
          fi
          return 0
--- 36,46 ----
  
          # checking for the pool name in the strings output of
          # the given cachefile, default is /etc/zfs/zpool.cache
          typeset cachefile=${2:-$CPATH}
  
!         RESULT=$(strings $cachefile | grep -w $1)
          if [ -z "$RESULT" ]
          then
                  return 1
          fi
          return 0