[Feature Request] - Env command to check dependecies

[ondrovic]

Is your feature request related to a problem? Please describe.
Verify the environment is setup correctly

Describe the solution you'd like
A new command in env called check, that will check to ensure the dependencies are installed and available, this will just add and extra step when troubleshooting and verifying everything is correct, especially for less tech savvy users

CCExtractor for extracting Closed Caption data like EIA-608 from video streams and converting as SRT.
FFmpeg (and ffprobe) for repacking/remuxing streams on specific services, and evaluating stream data.
MKVToolNix v54+ for muxing individual streams to an .mkv file.
shaka-packager for decrypting CENC-CTR and CENC-CBCS video and audio streams.
(optional) aria2(c) to use as a downloader.

Describe alternatives you've considered
Manually checking if every dependency is installed

Additional context
n/a

[ondrovic]

Actually working on this myself
windows

docker - linux