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.. _advanced:
Advanced Usage
==============
Configuration File
-------------------
The configuration file is a simple JSON file with the following options.
- ``journals``
paths to your journal files
- ``editor``
if set, executes this command to launch an external editor for writing your entries, e.g. ``vim`` or ``subl -w`` (note the ``-w`` flag to make sure _jrnl_ waits for Sublime Text to close the file before writing into the journal. If you're using MacVim, that would be ``mvim -f``).
- ``encrypt``
if ``true``, encrypts your journal using AES.
- ``tagsymbols``
Symbols to be interpreted as tags. (__See note below__)
- ``default_hour`` and ``default_minute``
if you supply a date, such as ``last thursday``, but no specific time, the entry will be created at this time
- ``timeformat``
how to format the timestamps in your journal, see the [python docs](http://docs.python.org/library/time.html#time.strftime) for reference
- ``highlight``
if ``true``, tags will be highlighted in cyan.
- ``linewrap``
controls the width of the output. Set to ``false`` if you don't want to wrap long lines.
.. note::
Although it seems intuitive to use the `#` character for tags, there's a drawback: on most shells, this is interpreted as a meta-character starting a comment. This means that if you type
.. code-block:: note
jrnl Implemented endless scrolling on the #frontend of our website.
your bash will chop off everything after the ``#`` before passing it to _jrnl_). To avoid this, wrap your input into quotation marks like this:
.. code-block:: note
jrnl "Implemented endless scrolling on the #frontend of our website."
Or use the built-in prompt or an external editor to compose your entries.
DayOne Integration
------------------
Using your DayOne journal instead of a flat text file is dead simple - instead of pointing to a text file, change your `.jrnl_conf` to point to your DayOne journal. This is a folder ending with `.dayone`, and it's located at
* ``~/Library/Application Support/Day One/`` by default
* ``~/Dropbox/Apps/Day One/`` if you're syncing with Dropbox and
* ``~/Library/Mobile Documents/5U8NS4GX82~com~dayoneapp~dayone/Documents/`` if you're syncing with iCloud.
Instead of all entries being in a single file, each entry will live in a separate `plist` file. You can also star entries when you write them:
jrnl -star yesterday: Lunch with @Arthur
Multiple journal files
----------------------
You can configure _jrnl_ to use with multiple journals (eg. ``private`` and ``work``) by defining more journals in your ``.jrnl_config``, for example:
.. code-block:: javascript
{
...
"journals": {
"default": "~/journal.txt",
"work": "~/work.txt"
}
}
The ``default`` journal gets created the first time you start _jrnl_. Now you can access the ``work`` journal by using ``jrnl work`` instead of ``jrnl``, eg. ::
jrnl work at 10am: Meeting with @Steve
jrnl work -n 3
will both use ``~/work.txt``, while ``jrnl -n 3`` will display the last three entries from ``~/journal.txt`` (and so does ``jrnl default -n 3``).
You can also override the default options for each individual journal. If you ``.jrnl_conf`` looks like this:
.. code-block:: javascript
{
...
"encrypt": false
"journals": {
"default": "~/journal.txt",
"work": {
"journal": "~/work.txt",
"encrypt": true
},
"food": "~/my_recipes.txt",
}
Your ``default`` and your ``food`` journals won't be encrypted, however your ``work`` journal will! You can override all options that are present at the top level of ``.jrnl_conf``, just make sure that at the very least you specify a ``"journal": ...`` key that points to the journal file of that journal.
.. note::
Changing ``encrypt`` to a different value will not encrypt or decrypt your journal file, it merely says whether or not your journal `is` encrypted. Hence manually changing this option will most likely result in your journal file being impossible to load.

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.. _encryption:
Encryption
==========
Encrypting and decrypting
-------------------------
If you don't choose to encrypt your file when you run `jrnl` for the first time, you can encrypt your existing journal file or change its password using ::
jrnl --encrypt
If it is already encrypted, you will first be asked for the current password. You can then enter a new password and your plain journal will replaced by the encrypted file. Conversely, ::
jrnl --decrypt
will replace your encrypted journal file by a Journal in plain text. You can also specify a filename, ie. `jrnl --decrypt plain_text_copy.txt`, to leave your original file untouched.
Storing passwords in your keychain
----------------------------------
Whenever you encrypt your journal, you are asked whether you want to store the encryption password in your keychain. If you do this, you won't have to enter your password every time you want to write or read your journal.
If you don't initially store the password in the keychain but decide to do so at a later point -- or maybe want to store it on one computer but not on another -- you can simply run `jrnl --encrypt` on an encrypted journal and use the same password again.
Manual decryption
-----------------
Should you ever want to decrypt your journal manually, you can do so with any program that supports the AES algorithm. The key used for encryption is the SHA-256-hash of your password, and the IV (initialisation vector) is stored in the first 16 bytes of the encrypted file. So, to decrypt a journal file in python, run::
import hashlib, Crypto.Cipher
key = hashlib.sha256(my_password).digest()
with open("my_journal.txt") as f:
cipher = f.read()
crypto = AES.new(key, AES.MODE_CBC, iv = cipher[:16])
plain = crypto.decrypt(cipher[16:])

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.. _export:
Import and Export
=================
Tag export
----------
With::
jrnl --tags
you'll get a list of all tags you used in your journal, sorted by most frequent. Tags occurring several times in the same entry are only counted as one.
List of all entries
-------------------
jrnl --short
Will only display the date and title of each entry.
JSON export
-----------
Can do::
jrnl --export json
Why not create a `beautiful timeline <http://timeline.verite.co/>`_ of your journal?
Markdown export
---------------
Use::
jrnl --export markdown
Markdown is a simple markup language that is human readable and can be used to be rendered to other formats (html, pdf). This README for example is formatted in markdown and github makes it look nice.
Text export
-----------
::
jrnl --export text
Pretty-prints your entire journal.
Export to files
---------------
You can specify the output file of your exported journal using the `-o` argument::
jrnl --export md -o journal.md
The above command will generate a file named `journal.md`. If the `-o` argument is a directory, jrnl will export each entry into an individual file::
jrnl --export json -o my_entries/
The contents of `my_entries/` will then look like this:
.. code-block:: output
my_entries/
|- 2013_06_03_a-beautiful-day.json
|- 2013_06_07_dinner-with-gabriel.json
|- ...

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.. jrnl documentation master file, created by
sphinx-quickstart on Wed Aug 7 13:22:51 2013.
jrnl: The command-line journal
==============================
Release v\ |version|.
Contents:
.. toctree::
:maxdepth: 3
overview
installation
usage
encryption
export
advanced
recipes

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.. _download:
Getting started
===============
Installation
------------
Install *jrnl* using pip ::
pip install jrnl
Or, if you want the option to encrypt your journal, ::
pip install jrnl[encrypted]
to install the dependencies for encrypting journals as well.
.. note::
Installing the encryption library, `pycrypto`, requires a `gcc` compiler. For this reason, jrnl will not install `pycrypto` unless explicitly told so like this. You can `install PyCyrypto manually <https://www.dlitz.net/software/pycrypto/>`_ first or install it with ``pip install pycrypto`` if you have a `gcc` compiler.
The first time you run ``jrnl`` you will be asked where your journal file should be created and whether you wish to encrypt it.
Quickstart
----------
to make a new entry, just type::
jrnl yesterday: Called in sick. Used the time to clean the house and spent 4h on writing my book.
and hit return. ``yesterday:`` will be interpreted as a time stamp. Everything until the first sentence mark (``.?!:``) will be interpreted as the title, the rest as the body. In your journal file, the result will look like this:
.. code-block:: output
2012-03-29 09:00 Called in sick.
Used the time to clean the house and spent 4h on writing my book.
If you just call ``jrnl``, you will be prompted to compose your entry - but you can also configure *jrnl* to use your external editor.

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.. _overview:
Overview
===============
What is jrnl?
-------------
`jrnl` is a simple journal application for your command line. Journals are stored as human readable plain text files - you can put them into a Dropbox folder for instant syncing and you can be assured that your journal will still be readable in 2050, when all your fancy iPad journal applications will long be forgotten.
`jrnl` also plays nice with the fabulous `DayOne <http://dayoneapp.com>`_ and can read and write directly from and to DayOne Journals.
Optionally, your journal can be encrypted using the `256-bit AES <http://en.wikipedia.org/wiki/Advanced_Encryption_Standard>`_.
Why keep a journal?
-------------------
Journals aren't only for 13-year old girls and people who have too much time on their summer vacation. A journal helps you to keep track of the things you get done and how you did them. Your imagination may be limitless, but your memory isn't. For personal use, make it a good habit to write at least 20 words a day. Just to reflect what made this day special, why you haven't wasted it. For professional use, consider a text-based journal to be the perfect complement to your GTD todo list - a documentation of what and how you've done it.

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.. _recipes:
FAQ
===
Recipes
-------
Co-occurrence of tags
~~~~~~~~~~~~~~~~~~~~~
If I want to find out how often I mentioned my flatmates Alberto and Melo in the same entry, I run ::
jrnl @alberto --tags | grep @melo
And will get something like ``@melo: 9``, meaning there are 9 entries where both ``@alberto`` and ``@melo`` are tagged. How does this work? First, ``jrnl @alberto`` will filter the journal to only entries containing the tag ``@alberto``, and then the ``--tags`` option will print out how often each tag occurred in this `filtered` journal. Finally, we pipe this to ``grep`` which will only display the line containing ``@melo``.
Combining filters
~~~~~~~~~~~~~~~~~
You can do things like ::
jrnl @fixed -starred -n 10 -until "jan 2013" --short
To get a short summary of the 10 most recent, favourited entries before January 1, 2013 that are tagged with ``@fixed``.
Known Issues
------------
- The Windows shell prior to Windows 7 has issues with unicode encoding. If you want to use non-ascii characters, change the codepage with ``chcp 1252`` before using `jrnl` (Thanks to Yves Pouplard for solving this!)
- _jrnl_ relies on the `PyCrypto` package to encrypt journals, which has some known problems with installing on Windows and within virtual environments.

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.. _usage:
Basic Usage
===========
*jrnl* has two modes: **composing** and **viewing**. Basically, whenever you `don't` supply any arguments that start with a dash or double-dash, you're in composing mode, meaning you can write your entry on the command line or an editor of your choice.
We intentionally break a convention on command line arguments: all arguments starting with a `single dash` will `filter` your journal before viewing it, and can be combined arbitrarily. Arguments with a `double dash` will control how your journal is displayed or exported and are mutually exclusive (ie. you can only specify one way to display or export your journal at a time).
Composing Entries
-----------------
Composing mode is entered by either starting ``jrnl`` without any arguments -- which will prompt you to write an entry or launch your editor -- or by just writing an entry on the prompt, such as::
jrnl today at 3am: I just met Steve Buscemi in a bar! He looked funny.
Smart timestamps
~~~~~~~~~~~~~~~~
Timestamps that work:
* at 6am
* yesterday
* last monday
* sunday at noon
* 2 march 2012
* 7 apr
* 5/20/1998 at 23:42
Starring entries
~~~~~~~~~~~~~~~~
To mark an entry as a favourite, simply "star" it::
jrnl last sunday *: Best day of my life.
If you don't want to add a date (ie. your entry will be dated as now), The following options are equivalent:
* ``jrnl *: Best day of my life.``
* ``jrnl *Best day of my life.``
* ``jrnl Best day of my life.*``
.. note::
Just make sure that the asterisk sign is **not** surrounded by whitespaces, e.g. ``jrnl Best day of my life! *`` will **not** work (the reason being that the ``*`` sign has a special meaning on most shells).
Viewing
-------
::
jrnl -n 10
will list you the ten latest entries, ::
jrnl -from "last year" -until march
everything that happened from the start of last year to the start of last march. To only see your favourite entries, use ::
jrnl -starred
Using Tags
----------
Keep track of people, projects or locations, by tagging them with an ``@`` in your entries ::
jrnl Had a wonderful day on the @beach with @Tom and @Anna.
You can filter your journal entries just like this: ::
jrnl @pinkie @WorldDomination
Will print all entries in which either ``@pinkie`` or ``@WorldDomination`` occurred. ::
jrnl -n 5 -and @pineapple @lubricant
the last five entries containing both ``@pineapple`` **and** ``@lubricant``. You can change which symbols you'd like to use for tagging in the configuration.
.. note::
``jrnl @pinkie @WorldDomination`` will switch to viewing mode because although _no_ command line arguments are given, all the input strings look like tags - *jrnl* will assume you want to filter by tag.