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Chapter 9. Variables Revisited
- Table of Contents
- 9.1. Internal Variables
- 9.2. Manipulating Strings
- 9.2.1. Manipulating strings using awk
- 9.2.2. Further Reference
- 9.3. Parameter Substitution
- 9.4. Typing variables: declare or typeset
- 9.5. Indirect References
- 9.6. $RANDOM: generate random integer
- 9.7. The Double-Parentheses Construct
Used properly, variables can add power and flexibility to scripts. This requires learning their subtleties and nuances.