[Feature Request] Limit filename to # of bytes (not characters)

[TowardMyth]

Checklist

• I'm reporting a feature request
• I've verified that I'm running yt-dlp version 2021.09.02
• I've searched the bugtracker for similar feature requests including closed ones

Description

YT-DLP has a feature to limit the filename length to some number of characters.

Is it possible to limit the filename length to some number of bytes and not characters too? Non-Latin languages require more than 1 byte to represent a character. For example, Japanese/Korean/Chinese characters require 3 bytes per character.

Use case: for example, EXT4 file systems only allow 255 byte file name limits.

Thank you!

[pukkandan]

With f5aa5cf, you can do %(title).200B to limit to 200 bytes instead of %(title).200s which normally limits to 200 chars

[TowardMyth]

thanks for the quick implementation!