Wait for user-confirm before download function

[spookyahell]

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Description of your issue, suggested solution and other information

It would be nice to have an option in youtube-dl,
that could be something like "--wait-before-download" which would work like this:
URL fetching and information getting, then wait for any keystroke, a specific letter and then continue with the actual download process

One helpful situation is when using system proxy for fetching information and download links,
when proxy isn't needed for actual content.

[dstftw]

This won't prevent youtube-dl from using proxy since it's taken from environment youtube-dl is started with. Moreover in case of long confirmation time download links may expire for extractors that generate such links.

[spookyahell]

What about ffmpeg? Same thing there? I mean: Also gets proxy from environment at time youtube-dl startup?

[dstftw]

Yes. When youtube-dl starts ffmpeg it passes an env based on own settings.