Blog by Daniel Hauck. Sysadmin, Developer, Blogger.

For mastering this challenge you need to understand the following things:

  • File Handling: Create, Read, Update, Delete
  • Executing System Commands

Specification

You are building a cli tool, to create and review notes. The following things should be possible:

  • Create a new note and give it a name
  • Update / Edit a note
  • Delete a note
  • List all notes

Requirements

The program needs to have a command line interface. All notes needs to be saved as a file. When a new note is created, a new file needs to be created.

The following commands should exist on the cli:

  • new
  • edit
  • delete
  • list

After any action completed print out the status of the action. So something like “Note: ‘Hello World’ saved!”.

Bonus

After any action return a exit code. 0 means ok. 1 means something went wrong

Bored? Good!

If this tutorial bored you, it’s time to advance! See you in the next challenge!


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