Command-Line

We can use FFmpeg to extract or trim video files.

“spotDL finds songs from Spotify playlists on YouTube and downloads them - along with album art, lyrics and metadata.” ¹

Imagemagick comes with a command-line tool called morgrify. It can process images in batch. Here are some examples of converting formats and resizing images.

How to capture stdout and stderr with tee command:

Now you can tell Git not to guess, but rather to insist that you set user.name and user.email explicitly before it will let you commit: