In this answer, I have shared Tell Ruby Program to Wait some amount of time.
num_secs value can be an integer or float.
Also, if you’re writing this within a Rails app, or have included the ActiveSupport library in your project, you can construct longer intervals using the following convenience syntax:
# or, even longer...
sleep(2.hours); sleep(3.days) # etc., etc.
# or shorter
sleep(0.5) # half a second
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