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ncmpcpp:tldr:888f4
This command is using the ncmpcpp tool with the "--bindings" option and a file variable.
The "ncmpcpp" is a command-line client for the Music Player Daemon (MPD) server. It provides a user-friendly text-based interface to browse and control your music library.
The "--bindings" option is used to specify a configuration file for customizing keybindings or keyboard shortcuts used within ncmpcpp. By using this option, you can load custom keybindings from a file instead of using the default keybindings.
The "${file}" is a placeholder for the name of a file. It indicates that the command should use the value of the "file" variable instead of the literal string "${file}". The variable value can be specified elsewhere in the command or set in the shell environment before executing the command.
So, this command will start the ncmpcpp client using specific keybindings defined in the file specified by the "file" variable.