Efficiently back up the notes you’ve saved to Pinboard
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README.md

pinboard-notes-backup Build Status

Efficiently back up the notes you’ve saved to Pinboard.

Installation

If you’re using Homebrew, you can just run

brew install pinboard-notes-backup

Prebuilt binaries are available for OS X and Linux—find them on the page for the most recent release. Download the archive for your OS, unpack it, and copy the pnbackup binary to some directory in your PATH, like /usr/local/bin.

Building from source

This is a Haskell program that you can build using Stack. With Stack installed, just type

stack setup

to download and install GHC (the Haskell compiler) and then

stack install

to build the pnbackup binary and install it. (The default installation directory is ~/.local/bin; you probably want to copy the executable from there into some directory that is listed in your PATH.)

Usage

First you’ll need to grab your Pinboard API token from Pinboard’s password settings page. It’s a string like “maciej:abc123456”.

To save your notes to a file called “Notes.sqlite”, run

pnbackup -t maciej:abc123456 Notes.sqlite

replacing the example API token with your own. This will put all of your notes into a SQLite database called “Notes.sqlite”.

Each time you run the program, it will fetch the list of your notes from the Pinboard server. It will then download any notes that are new or that have been updated on the server, and it will delete any notes that have been deleted from the server. The program does one-way synchronization only: it will update your local database to match what’s on the server but it will never make any changes on the server.

The Pinboard API requires a three-second wait time between each request, and the text of each note must be downloaded in a separate request, so the initial download of your notes may take a while. Subsequent syncs should be much shorter, though. If you want to see exactly what pnbackup is doing as it works, pass it the -v or --verbose flags.

Data format

Your notes are stored in a table called “notes” with the following schema:

CREATE TABLE notes (
    id TEXT NOT NULL UNIQUE,
    title TEXT NOT NULL,
    text TEXT NOT NULL,
    hash TEXT NOT NULL,
    created DATETIME NOT NULL,
    updated DATETIME NOT NULL
);

These columns correspond exactly to the fields listed on the Pinboard API page.

Why SQLite and not some plain-text format? In the words of Paul Ford,

SQLite is incredibly well-documented. It’s also instantly usable as a database from the command line with no pre-processing at all, even for very large files, and there are immediately usable SQLite APIs for every programming language. Plus it’s incredibly easy to turn SQLite data into plain text, it has freely available extensions for geo, full-text, and hierarchical data, and it’s tiny and public-domain.

Author

This program was created by Benjamin Esham.

This project is hosted on GitHub. Please feel free to submit pull requests.

Version history

  • 1.0.3 (2017-11-05): The program now builds against a wider set of dependencies. This will allow it to be installed using Homebrew. (There were no changes in functionality.)
  • 1.0.2 (2016-12-05): If any notes had been changed on the server then the application would error out instead of updating the local copy.
  • 1.0.1 (2016-07-20): Tweaked the help text and made some under-the-hood changes.
  • 1.0.0 (2016-06-28): Initial release.

License

The scripts in the “travis_scripts” folder were adapted from scripts written by Taylor Fausak for the Octane project. They are released under the license of that project.

The rest of the code in this repository is released under the following terms:

Copyright © 2016–2017 Benjamin D. Esham.

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but without any warranty; without even the implied warranty of merchantability or fitness for a particular purpose. See the GNU General Public License for more details.

The GNU General Public License can be found in the file LICENSE.txt.