Bash Shell Scripting example project "library management"

This program is a sample shell script. To understand this project you must know the basic syntax of shell programming. In this article I tried to show an example how we can use a shell as a programming language. I have build the very simple shell script for managing a library books. If you are completely new to shell programming in Linux then at search the following topic on Google about their syntax and uses before proceeding this article. List of topic are:

1. variables
2. if condition
3. switch case
4. printf ,read , echo command
5. while loop, for loop
6. grep command
7. function declaration

Now if you have learn above topic in shell programming then you can understand this project library management. In this project simple features are included like adding books, editing books information,remove and search books and view all books. Lets start the project.