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Linux Shell Scripting Cookbook

You're reading from   Linux Shell Scripting Cookbook Do amazing things with the shell and automate tedious tasks

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Product type Paperback
Published in May 2017
Publisher
ISBN-13 9781785881985
Length 552 pages
Edition 3rd Edition
Tools
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Authors (3):
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Clif Flynt Clif Flynt
Author Profile Icon Clif Flynt
Clif Flynt
Sarath Lakshman Sarath Lakshman
Author Profile Icon Sarath Lakshman
Sarath Lakshman
Shantanu Tushar Shantanu Tushar
Author Profile Icon Shantanu Tushar
Shantanu Tushar
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Toc

Table of Contents (14) Chapters Close

Preface 1. Shell Something Out FREE CHAPTER 2. Have a Good Command 3. File In, File Out 4. Texting and Driving 5. Tangled Web? Not At All! 6. Repository Management 7. The Backup Plan 8. The Old-Boy Network 9. Put On the Monitors Cap 10. Administration Calls 11. Tracing the Clues 12. Tuning a Linux System 13. Containers, Virtual Machines, and the Cloud

Spell–checking and dictionary manipulation

Most Linux distributions include a dictionary file. However, very few people are aware of this, thus spelling errors abound. The aspell command-line utility is a spell checker. Let's go through a few scripts that make use of the dictionary file and the spell checker.

How to do it...

The /usr/share/dict/ directory contains one or perhaps more dictionary files, which are text files with a list of words. We can use this list to check whether a word is a dictionary word or not:

$ ls /usr/share/dict/ 
american-english  british-english

To check whether the given word is a dictionary word, use the following script:

#!/bin/bash 
#Filename: checkword.sh 
word=$1 
grep "^$1$" /usr/share/dict/british-english...
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