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NOTES.txt

This is a specification of a simple, text-only protocol for storing and selecting notes. The protocol explicitly differentiates between notmal notes (i.e. journal entries), tasks, and ideas (as in a spark file). It also makes use of hashtags (which are #great) to organize notes.

This repo also contains an app that implements the protocol.

Introduction

The idea is to maintain a (large) collection of text notes, and allow the user to very easily select all notes accoring to simple critera.

There are three kind of notes: tasks, ideas and normal notes. All these notes are stored in one heap and shown chronologically by default.

Note storage

Multiple notes can be stored in a text file. Notes are separated by lines that start with ----. This separater line can also contain extra information, organized in key-value pairs separated by commas. Currently supported are id, c (created) and m (modified). For example: ---- id:asjasdb32b2323g23jg23j c:2014-01-30 m:2014-01-31 11:36

For ease of use one can also specify simply the date (and time). The date should be formatted as: YYYY-MM-DD. Time (if given) should be formatted as HH:MM or HH:MM:SS.

This simple note format makes it easy for other applications to hook into the notes system, and the user can easily manage his/her notes using a simple text editor.

Specifying note type

Each note can start with a prefix to identify its type:

% This is a normal note 
----- 
! This is a task 
---- 
? This is an idea 
---- 
This is also a normal note 
The percent sign is optional.

Notes can be prioritized (three levels are supported):

!! Finish this task quickly! 
---- 
!!! This task is even more important 
---- 
?? This is a particularly good idea 
---- 
%% This would be sort of like a sticky note 
Prioritizing makes the most sense for tasks.

Finally, any note that starts with a dot is hidden. You can of course delete notes, but sometimes it's nice to look back at all the tasks that you've accomplished.

.! A completed task 
---- 
.? An idea that turned out to be a bad one
---- 
.Some note that may be irrelevant now

Using tags

Each note can have zero or more tags. You create a tag simply by starting a word with #, similar to hashtags in twitter of G+. Tags define a context and allows the user to easily (and quickly) select certain notes of interest.

% This is a note about #tags 
For instance #home, or #work, or #myproject 
To help retrieving notes, users are encouraged to 
specify at least one tag per note.

Selection syntax

This format also specifies a simple syntax for selecting notes. An application supporting this format will typically have a one-line text-box into which you can write your query. This may sound a bit old-school, but bear with me; the syntax is really easy!

Firstly, if the query is empty, all notes of all types (except hidden notes) are shown in chronological order. Notes with no date are considered infinitelt old.

To select a type of note, the first word of the query should simply match the note type:

%  (Select all normal notes) 
!  (Select all tasks) 
?  (Select all ideas) 
.  (Select all hidden notes) 
!!  (Select all tasks with priority 2 and higher)

If a particular type of note is selected, the notes are organized by priority (and then chronologically).

The query can further contain tags. The application may provide you with an easy way to see all used tags. The tags are case insensitive. If multiple tags are given, the result is the AND of the subqueries:

! #work  (Select all tasks related to work) 
! #work #cloud  (Select all tasks that are related to work AND to "cloud")
#home  (Select all notes related to home) 
# (Select all notes that have no tags)

Finally, the query can also contain plain words. In this case the applicaton will search through the full texts of all notes, and the selection may therefore be less fast if you have many notes. It is up to the application to support only whole words or also partial words. All word searches are case insensitive though.

! #work Ian  (Select all work-related tasks that mention Ian) 
? cloud  (Select all ideas that have the word "cloud" in them)

Advanced selection syntax

TODO:

  • Reversing order
  • Selecting a date range

Application

The application in this repo needs Python3, PySide/PyQt4, and pyzolib (pure Python).

It can also be used as a tool for IEP. To do so, clone the repository in your ~/.iep/tools/ folder or equivalent.

Syncing and scaling up to large amounts of notes

In Notes.text one selects a folder to store the notes. Each device that stores notes to this folder does so in its own file. In this way, you are guaranteed to have no synchronization conflicts.

An application that displays the notes for you should read the notes from all files that are named notes.<devicename>.txt, but only write new or modified notes to the file that corresponds to the current device.

In this way, you can safely create new notes or modify them from any device even when you have no internet connection. After syncing, you will simply get the most recently modified version of each note. And you will have a backup of the versions created by each device.

So what happens when you create a note on one device and modify it on another? There will be two versions of the note, but the latter has a modified time that is later. Applications can keep track of notes using their id. If an id is not specified explicitly, the sha1 hash of the text of the note (not the separator line) is used. In this way if you add a note in plain text and omit an id, it can be modified from another divice without 'duplication' it.

The application should be able to cope with large amount of notes (possibly coming from different files. This means that a lightweight minimal representation of each note should maintained, but that widgets are only created for notes that are shown. Possibly, extra widges are created on the fly as the user scrolls through the notes.

Recent activity

Tip: Filter by directory path e.g. /media app.js to search for public/media/app.js.
Tip: Use camelCasing e.g. ProjME to search for ProjectModifiedEvent.java.
Tip: Filter by extension type e.g. /repo .js to search for all .js files in the /repo directory.
Tip: Separate your search with spaces e.g. /ssh pom.xml to search for src/ssh/pom.xml.
Tip: Use ↑ and ↓ arrow keys to navigate and return to view the file.
Tip: You can also navigate files with Ctrl+j (next) and Ctrl+k (previous) and view the file with Ctrl+o.
Tip: You can also navigate files with Alt+j (next) and Alt+k (previous) and view the file with Alt+o.