Today I came across with a very cool hack for staying informed about progress in the execution of my experiments using IPython notebooks. Normally, they take from minutes to hours and I am always eager to know the results. I have tried before to use a visual notification. However, an audio notification is better as it allows you to focus on other stuff.

I remembered that in OS X and Mac OS X you can type on the command-line something like:

$ say "Hello Dolly!"

and you will hear the speech synthesiser repeat your words.

It is very simple to use that functionality in an IPython notebook:

import os
os.system('say "Hello Dolly!"')

Cool, isn’t it?

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