
ensure=o

while [ $ensure != y ]
  do
    echo "> \c"

    read reply

    if [ "$reply" = "" ]
      then
        reply="/usr/mvw"
        ensure=y
    fi

    if [ $reply != "/usr/mvw" ]
      then
        echo "\nAre you sure you wish to use this directory (y/n)?"
        chkyn

        if [ $? = 0 ]
          then
            ensure=y
          else
            ensure=n
        fi
    fi
  done

echo $reply > central
