afinfo:tldr:400ac

The command afinfo --xml ${filename} is used to gather audio file information in XML format.

Here's a breakdown of the command:

• afinfo is a command-line utility in macOS that provides information about audio files.
• --xml is an option used with afinfo to request the information in XML format. The information will be presented as structured data in XML syntax.
• ${filename} is a placeholder for the name of the audio file you want to extract information from. You should replace ${filename} with the actual file name or path.

By executing this command, you will get detailed audio file information, such as file format, duration, sample rate, bit rate, and more, in XML format, which can be parsed and processed by appropriate tools or scripts.