String variables in Bash Scripting - Mini Project: Build & Apply

String variables

📖 Scenario: You are writing a simple bash script to store and display a greeting message. This is like writing a note to yourself that you want to see later.

🎯 Goal: Create a string variable in bash, assign a greeting message to it, and then print it to the screen.

📋 What You'll Learn

Create a string variable named greeting with the exact value Hello, welcome to bash scripting!

Create a variable named name with the exact value Friend

Use string concatenation to create a new variable personal_greeting that combines greeting and name with a space in between

Print the value of personal_greeting to the screen

💡 Why This Matters

🌍 Real World

Storing and manipulating text messages in scripts is common for creating user prompts, logs, and notifications.

💼 Career

Understanding string variables is a basic skill for writing shell scripts that automate tasks and communicate with users.

1

Create a string variable

Create a string variable called greeting and assign it the exact value Hello, welcome to bash scripting!

Bash Scripting

# Create the greeting variable with the exact text
# Your code here

Need a hint?

Use the syntax variable_name="value" to create a string variable in bash.

2

Add a name variable

Create a string variable called name and assign it the exact value Friend

Bash Scripting

greeting="Hello, welcome to bash scripting!"
# Create the name variable with the exact text
# Your code here

Need a hint?

Remember to use double quotes around the string value.

3

Combine strings into a new variable

Create a new variable called personal_greeting that combines greeting and name with a space between them using string concatenation

Bash Scripting

greeting="Hello, welcome to bash scripting!"
name="Friend"
# Combine greeting and name into personal_greeting with a space
# Your code here

Need a hint?

Use variable="$var1 $var2" to join strings with a space in bash.

4

Print the combined greeting

Print the value of the variable personal_greeting to the screen using echo

Bash Scripting

greeting="Hello, welcome to bash scripting!"
name="Friend"
personal_greeting="$greeting $name"
# Print personal_greeting
# Your code here

Need a hint?

Use echo "$variable" to print a variable's value in bash.