Yoo: User Guide

Yoo is a simple task-tracking chatbot that users can interact with via the command-line. It currently supports three types of tasks:

• Todo (Task with no completion date)
• Deadline (Task that has a date to complete by)
• Event (Task that has an occurence date)

Features

Some of the commands that Yoo supports:

• To add tasks
  • todo : adds a Todo task with description
  • event : adds an Event task with description and date
  • deadline : adds a Deadline task with description and date
• bye : ends the conversation with Yoo
• delete : deletes a task
• done : marks a task as completed
• find : finds tasks that match the given keyword
• help : displays a list of commands
• list : displays the current list of tasks
• update : updates the description or date of a task

Notes about the command format:

• Words in UPPER_CASE are parameters to be supplied by the user. eg. in todo DESCRIPTION, DESCRIPTION is a parameter which can be used as todo borrow book.

Feature Usage

1. todo

Adds a Todo task to the list. Format: todo DESCRIPTION Examples:

• todo read book
• todo buy groceries

2. deadline

Adds a Deadline task to the list. Format: deadline DESCRIPTION /by YYYY-MM-DD Examples:

• deadline assignment /by 2020-05-05
• deadline essay for XX mod /by 2020-06-06

3. event

Adds a Event task to the list. Format: event DESCRIPTION /at YYYY-MM-DD Examples:

• event party /at 2020-04-04
• event lunch with mom /at 2020-03-03

4. bye

Ends the conversation with Yoo. Format: bye

5. delete

Deletes a task from the list. Format: delete INDEX

• Deletes the task at the specified INDEX.
• The index refers to the index number showed in the displayed task list.
• The index must be a positive integer 1,2,3,…

Example: delete 1

6. done

Marks a task as completed. Format: done INDEX

• Marks the task at the specified INDEX as completed.
• The index refers to the index number showed in the displayed task list.
• The index must be a positive integer 1,2,3,…

7. find

Finds tasks that match the given keyword. Format: find KEYWORD

• The search is case-sensitive. eg. essay will not match Essay
• Only the description of the task is searched.
• Only full words will be matched. eg. essay will not match essays

8. help

Displays a list of Yoo’s commands. Format: help

9. list

Displays the list of tasks. Format: list

10. update

Updates a task description or time. Format: update INDEX /d DESCRIPTION or update INDEX /t YYYY-MM-DD

• Updates the task at INDEX.
• The index refers to the index number showed in the displayed task list.
• The index must be a positive integer 1,2,3,…
• To update the description, use the /d command like so: update INDEX /d UPDATED_DESCRIPTION
• To update the date, use the /t command like so: update INDEX /t YYYY-MM-DD

Examples:

• update 1 /d CS Assignment 1
• update 4 /t 2020-02-02