May 2018
Beginner
332 pages
7h 28m
English
Content preview from Learning Linux Shell Scripting - Second Edition
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Exploring Expressions and Variables
In the last chapter, you learned about how shell interprets any command that is entered into the Terminal or the command line. We also studied command substitution and separators in detail.
In this chapter, we will cover following topics:
- Working with environment variables
- Exporting variables
- Working with read-only variables
- Working with command-line arguments (special variables, set and shift, and getopt)
- Working with arrays