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

Integer variables

📖 Scenario: You are writing a simple bash script to store and use integer numbers. This is like keeping track of counts or scores in a game.

🎯 Goal: Learn how to create integer variables in bash, assign values, and display them.

📋 What You'll Learn

Create integer variables with exact names and values

Use bash syntax for integer assignment

Print the integer variable values correctly

💡 Why This Matters

🌍 Real World

Integer variables are used in scripts to count items, track progress, or calculate values automatically.

💼 Career

Knowing how to handle numbers in bash scripts is important for automation tasks in system administration and DevOps.

1

Create integer variables

Create two integer variables called count and max. Set count to 5 and max to 10 using bash integer assignment syntax.

Bash Scripting

# Create integer variables count and max with values 5 and 10
# Your code here

Need a hint?

Use variable=value without spaces for integer assignment in bash.

2

Add a limit variable

Add a new integer variable called limit and set it to 15.

Bash Scripting

count=5
max=10
# Add integer variable limit with value 15
# Your code here

Need a hint?

Remember no spaces around the equal sign.

3

Calculate total

Create a new integer variable called total that adds count and max using bash arithmetic expansion.

Bash Scripting

count=5
max=10
limit=15
# Calculate total as count + max
# Your code here

Need a hint?

Use $((expression)) to do arithmetic in bash.

4

Print the total

Print the value of the total variable using echo.

Bash Scripting

count=5
max=10
limit=15
total=$((count + max))
# Print total
# Your code here

Need a hint?

Use echo $total to display the value.