Shell Programming and Scripting

ls /etc/init.d/rc4.d/ | while read FILE
        do
          tput smso
          echo -n `expr "$FILE" : '\(S.*$\)'`
          tput rmso
          echo `expr "$FILE" : '\(K.*$\)'`
        done

level=`runlevel`
ls /etc/init.d/rc${level}.d/ | while read FILE
do
  FILENAME=${FILE##*/}
  if [ "${FILENAME#S}" != "$FILENAME" ]
  then
     tput smso
     echo -n $FILENAME
     tput rmso
  elif [ "${FILENAME#K}" != "$FILENAME" ]
     echo -n $FILENAME
  fi
done