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
27 visits (1 today, 1 this week, 5 this month, 27 this year)
Uptime: 03:18:15 up 1 day, 13:43, 2 users, load average: 0.02, 0.03, 0.00
216.73.216.23 GET from server z.lam1.us

Sunday, May 3, 2026 @ 3:18:15 AM
z.ServerAdmin@lamurakami.com