Variables Revisited
Advanced Bash-Scripting Guide:
PrevNext

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.

PrevHomeNext
Beyond the BasicsUpInternal Variables
33 visits (1 today, 11 this week, 26 this month, 33 this year)
Uptime: 01:18:23 up 1 day, 7:19, 2 users, load average: 0.00, 0.00, 0.00
2600:1f28:365:80b0:d96b:657a:5ae:ef64 GET from server z.larrymurakami.com

Saturday, July 18, 2026 @ 1:18:23 AM
z.ServerAdmin@lamurakami.com