USING: accessors combinators io io.monitors kernel sequences ;
IN: test.watchdir

: launch-watchdir ( dir quot -- )
    t swap [ spawn-monitor ] with-monitors ;

: handle-change ( changes -- )
    [ path>> ] [ changed>> ] bi
    [
        {
            { +add-file+     [ dup write " was created." print ] }
            { +remove-file+  [ dup write " was removed." print ] }
            { +modify-file+  [ dup write " was modified." print ] }
            [ drop dup write " was renamed." print ]
        } case flush
    ] each drop ;

: test-watchdir ( dir -- )
    [ dup next-change handle-change ] launch-watchdir ;