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Jul 14 at 12:37 comment added cas @Banana see How to add a progress bar to a shell script? for dozens of examples of doing progress bars in shell scripts. pick something you like that you feel capable of implementing and combine it with steeldriver's second (array-based) solution above.
Jul 14 at 0:57 comment added Banana Is There a way to have a visible timer for the sleep and waiting time they count down the random time?
Jul 13 at 16:47 history edited steeldriver CC BY-SA 4.0
corrected some typos and missed quotes
Jul 13 at 14:58 history answered steeldriver CC BY-SA 4.0