How To Create a Bash Script in MacOS/Linux

This document is a straightforward guide for creating a bash script for Mac/Linux.

1. Open up your terminal.

2. Create your script file (example: exampleScript)

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   $ nano exampleScript
   

3. Add a shebang line in the first line of the file.

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   #!/usr/bin/env bash
   

4. Customize your script. In this example we echo “Hello World”.

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   #!/usr/bin/env bash
   echo "Hello World"
   

5. Exit and save changes in the editor by pressing “CTRL + X”, and “Y” then enter.

6. Make the script executable by changing the script permissions.

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   $ chmod +x exampleScript
   

7. Run script

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   $ ./exampleScript
   

Done!

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