how would you improve this file extension list (lemmy.ml)

submitted 1 year ago* (last edited 1 year ago) by jackpot@lemmy.ml to c/asklemmy@lemmy.ml

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(btw yes you can add new categories)

if you could standardise one file format for a task, what would it be:

photos .jxl
open domain image data .exr
videos .av1
lossless audio .flac
lossy audio .opus
subtitles srt/ass
fonts .otf
container mkv (doesnt contain .jxl)
plain text utf-8 (many also say markup but disagree on the implementation)
documents .odt
archive files .tar.zst (this one is causing a bloodbath so i picked randomly)
configuration files toml
typesetting typst
interchange format .ora
models .gltf / .glb
daw session files .dawproject
otdr measurement results .xml

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[-] Synthead@lemmy.world 3 points 1 year ago* (last edited 1 year ago)

https://www.freedesktop.org/wiki/Software/shared-mime-info/

[-] jackpot@lemmy.ml 2 points 1 year ago

i dknt understand

[-] Synthead@lemmy.world 2 points 1 year ago

The Freedesktop Foundation has already categorized a ton of stuff and more.

[-] jackpot@lemmy.ml 2 points 1 year ago

could you link the index apologies

[-] Synthead@lemmy.world 2 points 1 year ago

Here's the repo: https://gitlab.freedesktop.org/xdg/shared-mime-info

Here's the current XML for the metadata: https://gitlab.freedesktop.org/xdg/shared-mime-info/-/blob/b7db17480af0aeeb6df5668e8d10e275527d2825/data/freedesktop.org.xml.in

[-] jackpot@lemmy.ml 2 points 1 year ago

mate i am so confused sorry

[-] Synthead@lemmy.world 2 points 1 year ago* (last edited 1 year ago)

Here's an example of a PNG:

https://gitlab.freedesktop.org/xdg/shared-mime-info/-/blob/b7db17480af0aeeb6df5668e8d10e275527d2825/data/freedesktop.org.xml.in#L5345-5353

This says that PNG files...

Have a mime type of image/png
Have a full name of "PNG image"
Have an acronym of "PNG"
Have an expanded acronym of "Portable Network Graphics"
From byte 0, all PNG files have "\x89PNG\r\n\x1A\n" in the file content
Match a file glob pattern of "*.png" (case insensitive)

There are hundreds of entries like this in the XML with formal categorization :)

It sounds like you're trying to approach a solved problem, though. Why are you building a file list, and what are you going to use it for? What are you ultimately trying to do?

[-] jackpot@lemmy.ml 2 points 1 year ago

im trying to find the 'best' format for each category

this post was submitted on 05 Oct 2023

4 points (62.5% liked)

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