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bat:tldr:81b80
The command "bat ${filename}" uses the "bat" command-line tool to display the contents of the file specified by the variable "filename".
Here's a breakdown of the command:
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"bat": It refers to the name of the command-line tool or utility, which is typically short for "batch." The bat command is used to display the content of a file in the terminal or command prompt with syntax highlighting and additional features.
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"${filename}": It represents a placeholder for the actual name of the file you want to view. The "{" and "}" are used to mark the variable that will be substituted with the value when the command is executed. The "filename" is a generic variable name, and in practice, you would replace it with the actual name or path of the file you wish to display.
So, when you execute the command "bat ${filename}" and provide a specific filename, the bat tool will read the content of that file and display it in the terminal with enhanced formatting and syntax highlighting.