Welcome to

The newline Guide to Bash Scripting

Example Code Download

You can download the complete example code by clicking here

Introduction

7 lessons

About this book

LESSON

Community and Code Downloads

LESSON

Organization of this book

LESSON

Conventions used in this book

LESSON

Development environment

LESSON

Acknowledgements

LESSON

About the author

LESSON

Self–Help

7 lessons

Find Bash Keyword, Function, and Builtin Command Documentation

LESSON

How to Use man bash and help to Learn About Bash Commands

LESSON

How to Find Information About Bash File Commands With --help

LESSON

The Best References for Bash Commands

LESSON

How to Find Package Specific Bash Documentation

LESSON

How to Read a Synopsis and Understand Bash Documentation

LESSON

How to Use apropos to Find Bash Commands (with examples)

LESSON

Running Scripts

3 lessons

How to Run a Bash Script Explicitly as an Argument in Terminal

LESSON

How to Run a Bash Script With a Shebang Line and the Script Path

LESSON

The Simplest Way to Run a Bash Script with $PATH

LESSON

Editing Commands and Scripts

2 lessons

How to Use Bash Readline to Edit Commands and Scripts

LESSON

How to Edit Bash Scripts in Nano and Vim

LESSON

Copying and Pasting

6 lessons

Copying and Pasting

LESSON

How to Select Text in Linux Terminal With a Mouse

LESSON

How to Copy and Paste in Linux Terminal With Keyboard Shortcuts

LESSON

How to Copy and Paste Text With the xclip Bash Command

LESSON

How to Copy Formatted Text as HTML From Linux Terminal

LESSON

How to Paste Text in Linux Terminal Safely

LESSON

Listing Files

3 lessons

Listing Files

LESSON

Using Linux ls Command to List Files and grep to Search for Files

LESSON

How to Glob, Find Pattern Matching Files, and Run Commands

LESSON

Text

3 lessons

Text

LESSON

How to Convert Windows Newlines For Bash With dos2unix

LESSON

How to Convert Text to UTF-8 And Other Encodings in Bash Scripts

LESSON

Math

7 lessons

Math

LESSON

How to Perform Arithmetic Expansion in Bash

LESSON

How to Evaluate and Calculate Arithmetic Expressions in Bash

LESSON

Best Practices for Using Variables in Bash Arithmetic

LESSON

How to Write Conditional Expressions in Bash

LESSON

Convert Bases in Bash to Work With Octals and Hexadecimals

LESSON

How to Perform Floating Point Math With Bash bc

LESSON

Time

4 lessons

Time

LESSON

Format Datetimes, Timestamps, and Time Zones in Bash

LESSON

How to Time How Long a Bash Command Takes to Run

LESSON

How to Kill Bash Commands With timeout

LESSON

Output

4 lessons

Output

LESSON

How to Use the Bash Echo Command to Print Text in Terminal

LESSON

printf vs echo - Printing Formatted Text With Newlines in Bash

LESSON

Using the logger Command to Log Bash Output

LESSON

JSON

3 lessons

JSON

LESSON

How to Use jq Command to Filter JSON in Bash

LESSON

Creating

LESSON

XML

5 lessons

XML

LESSON

Extracting an XML Value in Bash With xml_grep

LESSON

Formatting and Transforming XML with XSLT

LESSON

How to Create XML Files in Bash With xsltproc

LESSON

Auto-Formatting

LESSON

Images

6 lessons

Images

LESSON

How to Take Screenshots in Ubuntu Linux With Shortcuts and Bash

LESSON

Resize, Convert, and Crop Pictures With ImageMagick mogrify

LESSON

How to Create a Video From Images With ffmpeg

LESSON

How to Create Graphs From Terminal With Graphviz

LESSON

How to Remove and Edit Metadata From Photos With exif

LESSON

Archiving and Compression

5 lessons

Archiving and Compression

LESSON

Beginner's Guide to tar Commands to Compress and Extract Files

LESSON

Plain gzip

LESSON

Zip

LESSON

Other formats

LESSON

SSH

6 lessons

SSH

LESSON

How to Connect to an SSH Host Interactively

LESSON

How to Create and Store SSH Keys in Bash

LESSON

How to Execute Bash Scripts on Remote Server Non-Interactively

LESSON

How to Access an SSH Server Behind a Jump Server

LESSON

How to Exit SSH and Close a Hung Connection

LESSON

From the Terminal to Production

8 lessons

From the Terminal to Production

LESSON

The Portable Shebang Line to Run Bash Scripts Anywhere

LESSON

How to Write Readable man Documentation For Your Bash Scripts

LESSON

How to Build a Fail-Fast, Safe Bash Scripts

LESSON

How to Check Shell Version From a Bash Script

LESSON

How to Parse Bash Command Line Arguments

LESSON

How to Include Files in Bash Command Line Arguments

LESSON

How to Restrict Variable and Function Scope in Bash Scripts

LESSON

Fail–Fast Settings

6 lessons

Fail–Fast Settings

LESSON

How to Exit Bash Script on Error With errexit

LESSON

How to Prevent a Bash Script From Overwriting Files With noclobber

LESSON

Make Bash Treat Undefined Variables as Errors With nounset

LESSON

How to Set Bash pipefail to Add Exit Codes to Scripts

LESSON

How to Fail a Bash Glob if it Returns no Files With failglob

LESSON

Version Control

4 lessons

Version Control

LESSON

How to Start Using and Configure Git in Bash Terminal

LESSON

How to Use Git in Bash Terminal to Push, Pull, and Commit Code

LESSON

Git gud

LESSON

Quality Assurance

3 lessons

Quality Assurance

LESSON

The Beginner's Guide to Bash Linter

LESSON

How to Test Bash Scripts

LESSON

Signals

3 lessons

An Intro to Bash Signals: SIGINT, SIGKILL, SIGQUIT, and SIGTERM

LESSON

How to Send Signals From Bash

LESSON

How to Handle Signals and Errors in Bash Scripts

LESSON

Autocompletion

3 lessons

Autocompletion

LESSON

How to Install Bash Autocompletions

LESSON

How to Write an Autocompletion for a Bash Script

LESSON

Summary and Changelog

2 lessons

Summary

LESSON

Changelog

LESSON

Next Lesson:

About this book

Learn

The newline Guide to Building Your First GraphQL Server with Node and TypeScript

Teach

Amelia Wattenberger

Author of Fullstack D3

Community

The newline Guide to Bash Scripting

Welcome: Introduction

Introduction:

Start Here

Module 0: Introduction

Lesson 1:

About this book

Lesson 2:

Community and Code Downloads

Lesson 3:

Organization of this book

Lesson 4:

Conventions used in this book

Lesson 5:

Development environment

Lesson 6:

Acknowledgements

Lesson 7:

About the author

Module 1: Self–Help

Lesson 1:

Find Bash Keyword, Function, and Builtin Command Documentation

Lesson 2:

How to Use man bash and help to Learn About Bash Commands

Lesson 3:

How to Find Information About Bash File Commands With --help

Lesson 4:

The Best References for Bash Commands

Lesson 5:

How to Find Package Specific Bash Documentation

Lesson 6:

How to Read a Synopsis and Understand Bash Documentation

Lesson 7:

How to Use apropos to Find Bash Commands (with examples)

Module 2: Running Scripts

Lesson 1:

How to Run a Bash Script Explicitly as an Argument in Terminal

Lesson 2:

How to Run a Bash Script With a Shebang Line and the Script Path

Lesson 3:

The Simplest Way to Run a Bash Script with $PATH

Module 3: Editing Commands and Scripts

Lesson 1:

How to Use Bash Readline to Edit Commands and Scripts

Lesson 2:

How to Edit Bash Scripts in Nano and Vim

Module 4: Copying and Pasting

Lesson 1:

Copying and Pasting

Lesson 2:

How to Select Text in Linux Terminal With a Mouse

Lesson 3:

How to Copy and Paste in Linux Terminal With Keyboard Shortcuts

Lesson 4:

How to Copy and Paste Text With the xclip Bash Command

Lesson 5:

How to Copy Formatted Text as HTML From Linux Terminal

Lesson 6:

How to Paste Text in Linux Terminal Safely

Module 5: Listing Files

Lesson 1:

Listing Files

Lesson 2:

Using Linux ls Command to List Files and grep to Search for Files

Lesson 3:

How to Glob, Find Pattern Matching Files, and Run Commands

Module 6: Text

Lesson 1:

Text

Lesson 2:

How to Convert Windows Newlines For Bash With dos2unix

Lesson 3:

How to Convert Text to UTF-8 And Other Encodings in Bash Scripts

Module 7: Math