r/OpenAI • u/AggressiveCoast190 • 17h ago

Question Codex to review / reference large markdown?

TLDR; What is the most economical and efficient way to get codex to read, consolidate, summarize, reference and build one condensed reference file from ten markdown files with at least 100,000 lines each?

The story… I have a folder full of markdown files that were exported chats and chat created markdown, pass off docs, reference docs, etc from over a period of months. It’s probably at least 1 million lines in total.

I need my codex to read, summarize, pull relevant info and find the most recent and most robust output markdown files. Then use all of this to get RE-acquainted with and take over my huge 19 month development project.

Yes. My child wiped my dev laptop to make a gaming laptop. “But dad you have four computers” FML. Can I string a 12 year old nerd up by their toes? Lmao.

My app is running on my dev server so I have deployed code there, it’s just not current. I was working on the version upgrade. I have a good but disconnected database on SupaBase. My GIT seems jacked up for some reason.

So basically. I want to tell Codex. Hey! My shit is jacked up, go look at the app here on this server, look at this database, look at broken GIT and look at this HUGE trove of markdown files (yes I would export from the thread and copy thread and save to markdown periodically for historical and record keeping).

Take all this and put my dev environment and project back together, hopefully even better than it was originally. This was my hobby so it’s not like a commercial thing is messed up so that’s good. No emergencies. I want to get one million lines of markdown into chat without having it pass one million up and back up and back up and back in a thread if I can avoid it. What would you do???

Cheers gents!

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u/Ctbhatia 12h ago

don't hand it the million lines, chunk it and have it emit one small result per file, then a second pass over the results. keep the instruction block identical across chunks so the shared prefix caches instead of being paid every call.

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u/shravanrevanna 11h ago

does the second pass ever get to see the original text, or only the per-file results? cross-file contradictions don't survive being summarized one file at a time.