Taking User Input.

In this Article we gonna see how to take user input from keyboard. So, Let's focus on taking user input in a Bash script and use the .bash extension. Here are the steps:

Creating and Running a Bash Script with User Input

1. Create a New File:

   sh

   vi example_script.bash
   

2. Write Your Script: Here's a simple example that takes user input and greets the user.

   bash

   #!/bin/bash
   echo "Enter your name:"
   read name
   echo "Hello, $name!"
   

3. Save the File:

   • In vi or vim: Press Esc to exit insert mode, then type :wq to save and exit.

   • In nano: Press Ctrl + O to write out and then Ctrl + X to exit.

4. Make the Script Executable:

   sh

   chmod +x example_script.bash
   

5. Run the Script:

   sh

   ./example_script.bash
   

Explanation of the Script

• #!/bin/bash: This is the shebang line, indicating that the script should be executed using the Bash shell.

• echo "Enter your name:": This command prints the prompt asking the user to enter their name.

• read name: This command takes the user input and stores it in the variable name.

• echo "Hello, $name!": This command prints a greeting using the value stored in the name variable.

And that's it! You've created a simple Bash script that takes user input and responds with a greeting