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masto.sh

A bash script to download your Mastodon posts to DuckDB

Installation

  • Clone this repository or copy the contents of masto.sh
  • Make the script executable: chmod +x masto.sh

Requirements

Software

Mastodon API access

  • Go to your Mastodon accounts developer settings (i.e. https://mastodon.social/settings/applications)
  • Set up a new application
  • Make sure that at least read:accounts and read:statuses are set
  • Save your changes and copy the generated access token

Usage

Initial setup

  • Initialize a new database
./masto.sh init myposts.db
  • Provide your instance name, i.e. mastodon.social or social.tchncs.de
  • Provide the access token you copied earlier

If everything worked, the script will tell you that the database was created successfully for your account.

Load posts

./masto.sh update myposts.db

This will connect to the Mastodon API and start pulling your posts beginning with the lowest id. Every consecutive execution of masto.sh will start from the last processed id. This might take a while as the API only returns 40 posts on each call.

If you don't want to add posts incrementally but instead want to start over again, you can force a refresh:

./masto.sh update myposts.db -forceRefresh

And now what?

Now you can perform all sorts of funny SQL on it using DuckDB!

duckdb myposts.db -c "<sql>"

What fields are available?

DESCRIBE posts;

Count all favs?

select sum(favourites_count) from posts;

Known problems

  • Reposts are not filtered and are just database rows with no content ...
  • I think there is something off with created_at regarding the timezone.