Exercises

Powerful Command-Line Applications in Go — by Ricardo Gerardi (27 / 127)

👈 Capturing Input from STDIN | TOC | Wrapping Up 👉

You can try the following exercises to expand your skills:

• Implement the flag -del to delete an item from the list. Use the Delete method from the API to perform the action.
• Add another flag to enable verbose output, showing information like date/time.
• Add another flag to prevent displaying completed items.
• Update the custom usage function to include additional instructions on how to provide new tasks to the tool.
• Include test cases for the remaining options, such as -complete.
• Update the tests to use the TODO_FILENAME environment variable instead of hard-coding the test file name so that it doesn’t cause conflicts with an existing file.
• Update the getTask function allowing it to handle multiline input from STDIN. Each line should be a new task in the list.

👈 Capturing Input from STDIN | TOC | Wrapping Up 👉

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