Bash/Shell Scripting

Bash Scripting

Attribute	Value
Goal	Expert shell scripting for automation
Interest Link	Programming > Bash/Shell
Status	In Progress
Application	Infrastructure automation, dotfiles, CLI tools
Documentation	Codex bash section, domus-linux-ops

Attribute

Value

Goal

Expert shell scripting for automation

Interest Link

Programming > Bash/Shell

Status

In Progress

Application

Infrastructure automation, dotfiles, CLI tools

Documentation

Codex bash section, domus-linux-ops

Area	Description	Status
Streams	stdin, stdout, stderr, redirection	[x] Proficient
Pipes	Command chaining, process substitution	[x] Proficient
Variables	Local, environment, arrays, associative	[x] Proficient
Tests	File tests, string tests, arithmetic	[x] Proficient
Loops	for, while, until, C-style	[x] Proficient
Functions	Declaration, return values, local scope	[x] Proficient
Error Handling	set -e, trap, exit codes	[ ] In Progress
Portability	POSIX compliance, shellcheck	[ ] In Progress

Area

Description

Status

Streams

stdin, stdout, stderr, redirection

[x] Proficient

Pipes

Command chaining, process substitution

[x] Proficient

Variables

Local, environment, arrays, associative

[x] Proficient

Tests

File tests, string tests, arithmetic

[x] Proficient

Loops

for, while, until, C-style

[x] Proficient

Functions

Declaration, return values, local scope

[x] Proficient

Error Handling

set -e, trap, exit codes

[ ] In Progress

Portability

POSIX compliance, shellcheck

[ ] In Progress

Defensive scripting:

set -euo pipefail

Heredocs:

cat << 'EOF'
  Content here
EOF

Process substitution:

diff <(cmd1) <(cmd2)

See: Codex bash section, domus-linux-ops heredoc-patterns.adoc