BASH Guide by DeVeau, Joseph -- Read -- Imperial Library of Trantor

Index

Author's Books Title Page Copyright Page Dedication Acknowledgements Introduction

Motive Audience background Formatting

Chapter 1: History

Shells Bash Other shells What a shell is (and isn’t) Using Bash

Prompts Help

Chapter 2: Editors

Emacs VIM Nano Gedit

Chapter 3: The Basics

Comments Commands Arguments Quotes Backslash escapes Strings IFS

Chapter 4: Terminology

Executables Paths Builtins Scripts Aliases Functions Standard streams

Chapter 5: Variables

Variables Strings Integers Read only Shell variables

Chapter 6: Arrays

Indexed arrays Associative arrays

Chapter 7: Special Characters

Basic Logic Directory traversal Quoting Redirection Groups

Chapter 8: Globs

? * […] Null globs Extended globs Regular expressions

Chapter 9: Parameters

Positional parameters Special parameters Parameter expansion

Simple usage Modifying character case Assigning values Substring removal Search and replace

Chapter 10: Command Substitution

Arithmetic expansion Brace expansion Command substitution

Chapter 11: Conditional Blocks

Exit codes If Case Select Conditionals [

[ vs [[

[[

Arithmetic tests String tests File tests Logical tests Pattern tests Pattern matching tests Miscellaneous

Chapter 12: Conditional Loops

While Until For Miscellaneous

Nesting Break Continue

Chapter 13: Input & Output

Environment variables Standard streams File descriptors File redirection File descriptor redirection Here document Here string FIFOs Pipes Process substitution Read

Chapter 14: Functions

Functions

Chapter 15: Traps

Signals Process management Traps

Example Scripts

Common Programming Interview Scripts

Factor Fizz Buzz Maximum value Minimum value Power towers Prime number generator Remainder Reverse a sentence Reverse a string Serpinski

Quick Reference

Basics

Prompts Comments Arguments Aliases Functions

Help

Man pages Help pages Whatis Apropos

Variables

Strings Expansion Integer Read only Shell Environment

Arrays, indexed

Structure Declaration Storing values Retrieving values Metadata Deletion

Arrays, associative

Structure Declaration Storing values Retrieving values Metadata Deletion

Special characters

Basic Logic Directory traversal Quoting Redirection Groups

Globs

Null globs Extended globs

Parameters

Positional Special Expansion Modifying character case Assigning values Substring removal Search and replace

Command substitution

Arithmetic expansion Brace expansion Command substitution

Conditional blocks

Exit codes If If-else If-elif-else If-else nesting Case Select

Tests

Types Arithmetic Strings Files Logical Patterns Character classes Miscellaneous

Loops

While Until For

File descriptors

Standard streams Redirection Duplication

Redirection

Write Append Read Here document Here string FIFO PIPE Process substitution

Traps

Signals Set Reset Ignore

Author Bio

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