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I use a High-Performance Cluster for some of my work. I can dynamically see the state of the work but I couldn't use the If statement in the cluster query. I want to hear a sound when my work finishes.

My code follows. First I can see the state of the work then I convert it to a String and it is counted. If t2 is not equal to 68, that means the work is finished. But it didn't work. Do you have any other ideas?

Dynamic[RemoteRunProcess[remote, "squeue -u21", 
   "StandardOutput"], UpdateInterval -> 10] // Framed
t2 = Dynamic[
  StringCount[
   ToString[
    RemoteRunProcess[remote, "squeue -u21", 
     "StandardOutput"]], _?LetterQ], UpdateInterval -> 10]
If[t2 != 68, EmitSound[Sound@SoundNote[0]]]
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    $\begingroup$ t2 has head Dynamic, so it will never be equal to 68 (you are essentially doing Dynamic[...] == 68 which is always False. You have to wrap Dynamic around the whole thing for it to work as expected, i.e. Dynamic[t2 = ....; If[t2 != 68, ...]] $\endgroup$
    – Lukas Lang
    Nov 24, 2020 at 14:49
  • $\begingroup$ Thank you Lukas, it works. $\endgroup$
    – mrtydn
    Dec 11, 2020 at 11:16

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