groff:tldr:1c712

This command is a way to dynamically evaluate the output of the grog command with certain arguments and set it as the value of the environment variable. Let's break it down:

• eval: This is a shell command used to evaluate and execute the result of another command.
• "$(...)"": The double quotes and the $() syntax are used to capture the output of a command and pass it as a parameter to another command.
• grog: This is likely the name of an executable program/utility.
• -T utf8: These are command line options/arguments passed to the grog command. It specifies the character encoding to use, in this case, UTF-8.
• ${path-to-input-me}: This is likely a placeholder indicating the path to a specific file that grog should operate on. You would replace ${path-to-input-me} with the actual path to the file you want to use.

So, in summary, the command executes the grog program with the specified options and filename, captures its output as a string, and then evaluates that string in the current shell environment.