Writing a shell script is like riding a bike. You fall off and scrape your knees a lot at first. With a bit more experience, you become comfortable riding them around town, but also quickly discover why most people drive cars for longer trips. Shell scripting is generally considered to be a glue language, ideal for creating small pieces of code that connect other tools together. While shell scripts can be used for more complex tasks, they are usually not the best choice.
How to Create Simple Shell Scripts in Linux
Creating basic shell scripts
Conditional Statements: There are total 5 conditional statements which can be used in bash programming if statement if-else statement if.. Nested if switch statement Their description with syntax is as follows: if statement This block will process if specified condition is true. Syntax: if [ expression ] then statement fi if-else statement If specified condition is not true in if part then else part will be execute. Syntax if [ expression ] then statement1 else statement2 fi if..
Writing a Simple Bash Script
Historically, the shell has been the native command-line interpreter for Unix-like systems. Linux offers a variety of powerful shells with robust functionality, including Bash, Zsh, Tcsh, and Ksh. One of the most amazing features of these shells is their programmability. Creating simple yet effective Linux shell scripts for tackling day to day jobs is quite easy.