Can time machine be set to not back up when certain programs are open?

Yes, time machine can be turned off manually before playing games downloading a large file, etc. Is there any way for time machine to not back up while a specified game or program is open? Or is there an app that helps with this? Thanks!

Jeffery t wrote:
Thanks for the links, but I don't see in the pondini links, the scenario I am asking about.
Time Machine can easily back up multiple internal and/or directly-connected external drives and partitions simultaneously (but Time Machine cannotback up data that's on a network).
From the first link.
Jeffery t wrote:
... Please note that my iMac internal drive is backing up to external drive number 1 using time machine.  I want my pictures on external drive two and those backed up to external drive three.  So are you saying that if I have 500 GB of pictures on drive number 2, I will need a third drive that is at least 1 TB?
the confusion starts in your above statement...
There should be Only One Time Machine Drive.

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