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# Introduction
# FOREWORD
A collection of pure `bash` alternatives to external processes and programs. The `bash` scripting language is more powerful than people realise and you can accomplish most tasks without the need or dependency of external programs.
A collection of pure `bash` alternatives to external processes and programs. The `bash` scripting language is more powerful than people realise and most tasks can be accomplished without the need for or dependence on external programs.
Calling an external process in `bash` is expensive and excessive use will cause a noticeable slowdown. By sticking to built-in methods (*where possible*) your scripts and programs will be faster, require less dependencies and you'll gain a better understanding of the language itself.
Calling an external process in `bash` is expensive and excessive use will cause a noticeable slowdown. Scripts and programs written using built-in methods (*where applicable*) will be faster, require less dependencies and afford a better understanding of the language itself.
The contents of this book provide a reference for solving the problems encountered when writing programs and scripts in `bash`. The examples are in function format showcasing how to incorporate these solutions into your code.
The content of this book provides a reference for solving problems encountered when writing programs and scripts in `bash`. Examples are in function format showcasing how to incorporate these solutions into code.
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