Published at LXer:
You energy-conserving* system administrators will enjoy learning to use loops in your scripts. Looping is a technique that allows you to repeat a process or set of commands indefintely or until the loop exhausts a particular list of items. For example, you want to copy a particular file to everyone’s home directory. How do you do it? Don’t say that you have a junior-level administrator do it. The correct answer is that you’d create a looping script to handle the job.
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