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posted by LaminatorX on Sunday October 12 2014, @09:19AM   Printer-friendly
from the Bad-Ass-Script-Host dept.

When I first learned about Linux in the 90’s, I read that it was possible to even write your own commands to use at the command line. Later I learned about bash scripting, and it wasn’t long before I needed to learn how to loop in bash. Looping in bash is one of the fundamental building blocks of bash programming. It isn’t hard to do at all and is worth learning. The main reason to learn looping in bash is to handle doing the same thing over and over again. They’re easy to do even at the command line. Please follow along as we look a couple of basic examples, and how you can expand on them.

http://www.tidbitsfortechs.com/2014/10/looping-in-bash/

 
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  • (Score: 2) by VLM on Sunday October 12 2014, @12:27PM

    by VLM (445) on Sunday October 12 2014, @12:27PM (#105037)

    "advanced math"

    Well that might be a little optimistic, but awk is pretty awesome at the fairly typical tasks of "gimme the MAX, MIN, AVG, STD DEV" of some set of ... something.

    Reminds me of the project I did some years back importing a medium size engineering dataset into R, then daydreaming of the infinite number of cool things in R, and then nobody wanted anything other than avg, I couldda just left it all in awk...

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