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submitted 5 months ago* (last edited 5 months ago) by j4k3@lemmy.world to c/linux@lemmy.ml

I want to extract and process the metadata from PNG images and the first line of .safetensors files for LLM's and LoRA's. I could spend ages farting around with sed or awk but formats of files are constantly changing. I'd like a faster way to see a summary of training and a few other details when they are available.

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[-] eldavi@lemmy.ml 2 points 5 months ago

i'm assuming that command line means bash; in which case jq and regex are your friends.

[-] j4k3@lemmy.world 2 points 5 months ago

I found a Python project that does enough for my needs. Jq looks super powerful though. Thanks. I managed to get yq working for PNG's, but I had trouble with both jq and yq with safetensor files. I couldn't figure out how to parse a string embedded in an inconsistent starting binary, and with massive files. I could get in and grab the first line with head. I tried some stuff with expansions, but that didn't work and sent me looking for others that have solved the issue better than myself.

this post was submitted on 12 Jun 2024
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