bat:tldr:893ab

The command "bat --number ${filename}" is likely used in a command-line interface or terminal to display the content of a file along with line numbers using a tool called bat.

Here's a breakdown of the command:

• "bat" is the name of the command or program being executed.
• "--number" is an option or flag passed to the bat command. It tells bat to display line numbers along with the file content.
• "${filename}" is a placeholder for the name of the file you want to display. The actual name of the file should be provided when running the command, replacing "${filename}" with the file's name.

For example, if you wanted to display the content of a file named "example.txt" with line numbers, you would use the command: "bat --number example.txt".