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Bash Loops

Here’s a basic loop in Bash:

Notice that it iterates over a space delimited string of values.

If you have a comma delimited list then you can do something like this:

IFS is the “internal field separator” which defaults to a blank space. We save the original IFS and change it to a comma. Then once we’re done we restore the original IFS.

Here are some links to additional examples:

http://www.cyberciti.biz/faq/bash-for-loop/

http://tldp.org/HOWTO/Bash-Prog-Intro-HOWTO-7.html

http://www.thegeekstuff.com/2011/07/bash-for-loop-examples/

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