Learning Shell Scripting with Zsh电子书

Learning Shell Scripting with Zsh

Table of Contents

Learning Shell Scripting with Zsh

Credits

About the Author

About the Reviewers

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Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Errata

Piracy

Questions

1. Getting Started

Installing zsh

Installing on Linux

Installing on OS X

Compiling from source

First run

Making zsh your login shell

Shell options

The startup files

The shell prompt

The prompt command

Customizing the prompt

Using escape sequences

Shell state options

Login information options

Directory options

Date and time options

Text formatting options

Conditional expressions

Putting it all together

Summary

2. Alias and History

Working with aliases

Quoting characters

Single and double quoting aliases

Global aliases

Hashes

Putting it all together

Expansion

Parameter expansion

Command substitution

Arithmetic expansion

Brace expansion

Working with history

History expansion

History substitution

More useful options

Summary

3. Advanced Editing

Zsh line editor

Getting to know ZLE

Working with keymaps

Basic editing

Going back and forth with words

Yanking and transposing text

Revisiting history

Advanced editing

ZLE-related options

Defining your own keymaps

Don't call them widgets

Defining your own widgets

Special variables

Your first function

Working with regions

Multiline editing

Putting it all together

Summary

4. Globbing

Quoting your strings

Double quotes

Getting started with Globbing

Globbing with the stars

Questions for any single character

Brackets for a sequence of characters

Using safer ranges on your scripts

Avoiding characters

Handling mismatches

Extended Globbing

Special patterns

Recursive searching

Alternate patterns

Numeric ranges

Revisiting the caret operator

The tilde operator

Glob qualifiers

Timestamp qualifiers

File size qualifiers

The zmv function

Summary

5. Completion

Getting started with completion

Getting assertive with zstyle

Command correction

Completers

Ignoring matches

Function definitions

The path of the function

Summary

6. Tips and Tricks

Main resources

Helping tips

Directory substitution

Magic space

Random numbers

zcalc

Change and list directory contents

Finding your path through commands

Other projects

zsh-lovers

zsh-users

oh-my-zsh

Prezto

Explain Shell

Your dotfiles

Summary

Index