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+#
+# dcdbiff.rb - distributed cdbiff (client)
+# * original: cdbiff by Satoru Takabayashi <http://namazu.org/~satoru/cdbiff>
+
+require 'drb/drb'
+require 'drb/eq'
+
+class Notify
+ include DRbUndumped
+
+ def initialize(biff, command)
+ @biff = biff
+ @command = command
+
+ @biff.add_observer(self)
+ end
+
+ def update(filename, time)
+ p [filename, time] if $DEBUG
+ system(@command)
+ end
+
+ def done
+ begin
+ @biff.delete_observer(self)
+ rescue
+ end
+ end
+end
+
+def main
+ command = 'eject'
+ uri = 'druby://localhost:19903'
+
+ DRb.start_service
+ biff = DRbObject.new(nil, uri)
+ notify = Notify.new(biff, command)
+
+ trap("INT"){ notify.done }
+ DRb.thread.join
+end
+
+main