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I run a fair number of batch processes, and will generally turn my attention to a second monitor/activity while I wait for it to finish. I'd to setup the terminal (For what it's worth mentioning: Putty terminal SSH'd to server) so that the terminal will flash a color to get my attention. I know there is a beep command you can use, but it won't work in this case.

So, in my mind I see this being two parts- both useful separately: (probably...)

  • Have a watcher process that detects when a single command has been running a while
  • Set background color to flash once or twice once watcher process is triggered.

I have no idea if this is within the realm of possibility, but thought somebody might!

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How far would

wait; for i in 1 2 3 4; do echo -e "$ESC[41m$ESC[2J"; sleep 0.2; echo -e "$ESC[0m$ESC[2J"; sleep 0.2; done

get you? Note that screen contents is lost, and not every terminal emulator recognizes the VT100 console codes.

  • I feel like this is on the right track... But you are correct- the VT100 (Which I have just learned a bit about) does not seem to work on any of the environments I would use. Thanks though! – Paul Aug 25 '18 at 5:33

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