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LESSON 17.2How to Exit Bash Script on Error With errexit

LESSON 17.3How to Prevent a Bash Script From Overwriting Files With noclobber

MODULE 1
Introduction
MODULE 2
Self–Help
MODULE 3
Running Scripts
MODULE 4
Editing Commands and Scripts
- LESSON 4.1How to Use Bash Readline to Edit Commands and Scripts
- LESSON 4.2How to Edit Bash Scripts in Nano and Vim
MODULE 5
Copying and Pasting
MODULE 6
Listing Files
MODULE 7
Text
MODULE 8
Math
MODULE 9
Time
MODULE 10
Output
MODULE 11
JSON
MODULE 12
XML
MODULE 13
Images
MODULE 14
Archiving and Compression
MODULE 15
SSH
MODULE 16
From the Terminal to Production
MODULE 17
Fail–Fast Settings
MODULE 18
Version Control
MODULE 19
Quality Assurance
MODULE 20
Signals
MODULE 21
Autocompletion
MODULE 22
Summary and Changelog
- LESSON 22.1Summary
- LESSON 22.2Changelog

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LESSON 17.4Make Bash Treat Undefined Variables as Errors With nounset

How to Prevent a Bash Script From Overwriting Files With noclobber

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How to Exit Bash Script on Error With errexit
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Make Bash Treat Undefined Variables as Errors With nounset