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A Practical Guide to Fedora™ and Red Hat® Enterprise Linux® by Mark G. Sobell

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27. Programming the Bourne Again Shell

Objectives

After reading this chapter you should be able to:

• Use control structures to add decision making and repetition in scripts

• Handle input and output of scripts

• Use local and environment variables

• Evaluate the value of variables

• Use bash builtin commands to call other scripts inline, trap signals, and kill processes

• Use arithmetic and logical expressions

• List standard programming ...

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