A few months back, I gave a Kobo a try. I’m still really enjoying it. At the time, I was using a script on the Kobo + Dropbox to sync annotations. But it was a little heavy (to send the entire database) and tended to fail silently. Plus, I had to use a second script to take the exported database and actually turn it into Markdown I could easily read and share.

So I took a chance to make that a bit better!

The code for this is available on Github here: https://github.com/jpverkamp/kobo-highlights/

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I’ve recently been trying out a Kobo. Amazon has some issues and Kindles are hard to do any amount of customization to, let’s just leave it at that.

So what fun tricks can one do with a Kobo?

Well, for one, it’s a Linux system. And if you attach it to your computer, you get access to a lot of the local filesystem. This includes the SQLite database holding all of teh system metadata, along with places to install all sorts of interesting scripts.

One that I’ve been wanting in particular is the ability to extract my annotations. It’s a great way to review books. Highlight, write a note, and then export right at the end.

So how do you do that on a Kobo?

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Source: No Space Left On Device

Part 1

Give the output of a very simple shell with only the commands cd and ls (the output of which is either "dir" name for directories or size name for files), find the largest directory (disk usage calculated recursively) with a size no greater than 100,000.

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I recently came across a question: how do you read extended file attributes in Racket. Not being actually that familiar with extended file attributes, I searched online. Nothing seems to currently exist (other than in the FUSE module, but that’s specific to FUSE), but there is a system level exectuable that one could wrap to do this. I haven’t done much¹ with Racket’s system or system* function before, so let’s give it a whirl.

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