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AdGuard/PiHole Blocklists merge duplicates (self.selfhosted)

submitted 10 months ago by BinaryUnit to c/selfhosted

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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.

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[–] [email protected] 2 points 10 months ago* (last edited 10 months ago)

Afaik pihole does parse and then merge the lists into a single block list.

Update: Nevermind. They do it by design (assuming this statement is still correct): https://github.com/pi-hole/pi-hole/issues/2013#issuecomment-817901839

What you could do is use any text editor and manually combine the text files with something like notepad++ and deduplicate from there. (Notepad++ can do it natively)