XXX Remove nawk(1)

*** 35,45 ****
  
  if [ ! -s /etc/dfs/sharetab ]; then exit ; fi
  
  # Get all NFS filesystems exported with read-write permission.
  
! DIRS=`/usr/bin/nawk '($3 != "nfs") { next }
          ($4 ~ /^rw$|^rw,|^rw=|,rw,|,rw=|,rw$/) { print $1; next }
          ($4 !~ /^ro$|^ro,|^ro=|,ro,|,ro=|,ro$/) { print $1 }' /etc/dfs/sharetab`
  
  for dir in $DIRS
  do
--- 35,45 ----
  
  if [ ! -s /etc/dfs/sharetab ]; then exit ; fi
  
  # Get all NFS filesystems exported with read-write permission.
  
! DIRS=`/usr/xpg4/bin/awk '($3 != "nfs") { next }
          ($4 ~ /^rw$|^rw,|^rw=|,rw,|,rw=|,rw$/) { print $1; next }
          ($4 !~ /^ro$|^ro,|^ro=|,ro,|,ro=|,ro$/) { print $1 }' /etc/dfs/sharetab`
  
  for dir in $DIRS
  do