Does anyone know of any off the shelf tool (online or offline) to find duplicates in several DNS blocklists and merge them into one?
Context: I am running AdGuard on one GL.iNet router with ~10 blocklists some of them pretty huge and most of the times the lists are updated the router comes to one halt while doing so, having to often times reboot it through the old power-off-and-on.
I would rather download the lists myself from time to time and merge them into one file but with duplicates extracted somehow.
I doubt you’ll find something off the shelf for this. I wrote a powershell script that deduplicates lists and also does a pass over the results to convert any blocks to CIDR notation. If you’re interested I’ll share it.
But honestly you could probably have ChatGPT whip this up for you in your language of choice. It’s pretty straightforward.
I'd like to see your script.
Sorry it took a while, I'm currently on vacation! But I had some time to reread it and sanitize it for public sharing. Here you go:
ok yikes, Lemmy really didn't like me pasting all that code even in a code block. I'll have to put it up somewhere else, stand by.
Hopefully this works better: Pastebin link