Learn Linux Shell Scripting - Fundamentals of Bash 4.4

Why do we need variables?

Hopefully, you understand how to use variables now. However, you might not yet grasp why we would want or need to use variables. It might just seem like extra work for a small payoff, right? Consider the next example:

reader@ubuntu:~/scripts/chapter_08$ vim name.sh reader@ubuntu:~/scripts/chapter_08$ cat name.sh #!/bin/bash###################################### Author: Sebastiaan Tammer# Version: v1.0.0# Date: 2018-09-01# Description: Script to show why we need variables.# Usage: ./name.sh###################################### Assign the name to a variable.name="Sebastiaan"# Print the story.echo "There once was a guy named ${name}. ${name} enjoyed Linux and Bash so much that he wrote a book about it! ${name} really ...