Bash Scripting Reference

Bash scripting fundamentals and advanced patterns. Streams, process substitution, arrays, functions.

Topics

Topic	Description
Streams	File descriptors, redirection, stderr handling
Pipes	Pipelines, process substitution, subshells
Variables	Parameter expansion, defaults, substitution
Tests	Test expressions, conditionals, comparisons
Loops	for, while, until, loop control
Arrays	Indexed and associative arrays
Functions	Function definition, scope, return values
ANSI	Escape sequences, colors, cursor control
Glob Patterns	Wildcards, extended globbing, brace expansion
jq Sysadmin	jq patterns for system administration

Topic

Description

File descriptors, redirection, stderr handling

Pipelines, process substitution, subshells

Parameter expansion, defaults, substitution

Test expressions, conditionals, comparisons

for, while, until, loop control