Adding metadata for films/TV shows on Linux
After some research, I discover this post.

So far the API for http://www.omdbapi.com has proven to be exactly what I wanted. For completeness, I found those command line tools helpful:


https://github.com/xbgmsharp/allocine
https://github.com/bgr/imdb-cli


And on debian:

$ sudo apt-get install python-imdbp