Running scripts in Bash Scripting - Mini Project: Build & Apply

Running Bash Scripts

📖 Scenario: You want to automate a simple task on your computer using a Bash script. This script will greet you and show the current date and time.

🎯 Goal: Create a Bash script file, make it executable, and run it to see the greeting and current date and time.

📋 What You'll Learn

Create a Bash script file named greet.sh.

Write a script that prints a greeting message and the current date and time.

Make the script executable using the correct command.

Run the script and display its output.

💡 Why This Matters

🌍 Real World

Running scripts is a basic way to automate tasks on your computer, like backups, reminders, or system checks.

💼 Career

Many IT and developer jobs require writing and running scripts to save time and reduce errors.

1

Create the Bash script file

Create a file named greet.sh and add the first line #!/bin/bash to specify the script interpreter.

Bash Scripting

# Create the greet.sh file and add the shebang line
# Your code here

Need a hint?

The first line of a Bash script should be #!/bin/bash to tell the system to use Bash to run it.

2

Add greeting and date commands

Add two lines to greet.sh: one to print Hello, welcome! using echo, and one to print the current date and time using the date command.

Bash Scripting

#!/bin/bash
# Add echo and date commands below
# Your code here

Need a hint?

Use echo "Hello, welcome!" to print the greeting and date to show the current date and time.

3

Make the script executable

Use the command chmod +x greet.sh to make the script file executable.

Bash Scripting

#!/bin/bash
echo "Hello, welcome!"
date
# Make greet.sh executable
# Your code here

Need a hint?

Use chmod +x greet.sh in the terminal to allow running the script.

4

Run the script and display output

Run the script by typing ./greet.sh in the terminal and print the output.

Bash Scripting

#!/bin/bash
echo "Hello, welcome!"
date

# Run the script with ./greet.sh
# Your code here

Need a hint?

Run ./greet.sh in the terminal. You should see the greeting and the current date and time.