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[tabbernuk <boamaod@xxxxxxxxx>]

So the solution would be to not call the update routine before the
previous update is finished. It's just to add one variable to check
that. Anybody want to fix it?

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https://bugs.launchpad.net/bugs/734469

Title:
  output applet hangs when commands take longer to execute than update
  interval

Status in Screenlets — individual widgets development:
  Confirmed

Bug description:
  Hi I would like to tail some files using the output screenlet, but
  here is what happens:

  "top -b" and "tail -f" kills the poor output screenlet. It just hangs
  entirely.. The screenlet includes "top" as a preconfigured command, so
  in principle the output screenlet should be capable of doing it..

  Also when I enter "tty" I get "not a tty", but that is not the
  problem. Even such a script as "sleep 2; echo 2" kills it.

  Some more info is given in this post
  http://ubuntuforums.org/showthread.php?t=1448787.

  Using screenlets 0.1.2 on ubuntu 10.10 with metacity WM.