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Expert Shell Scripting
book

Expert Shell Scripting

by Ron Peters
December 2008
Intermediate to advanced content levelIntermediate to advanced
320 pages
6h 45m
English
Apress
Content preview from Expert Shell Scripting

CHAPTER 16Scripting from the CommandLine

One of the advantages of working at the shell command line is that you're working in a shell. That sounds sort of obvious and dumb, but please bear with me; pretty much anything you can do in a shell script, you can also do from the command line. I've coded many ad hoc scripts right at the command line. I wouldn't recommend writing anything significant that way, but for quickies it's just the ticket.

If you start a loop or conditional, such as a while, for, or if/then statement, while working at the shell prompt, the command line is extended until you have finished the steps in the code block. In a traditional script, such code would customarily span several lines in a file. Here is a typical interaction ...

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Publisher Resources

ISBN: 9781430218418Purchase book