rtv:tldr:bc97e

This command is a syntax or a placeholder typically used in programming or scripting languages to represent a variable. In this case, /r/${subreddit_name} is used to represent a dynamic value that should be substituted with the name of a subreddit.

For example, if the variable subreddit_name has a value of "dogs", then the command /r/${subreddit_name} would be interpreted as /r/dogs. This is often used in scenarios where the name of a subreddit is unknown in advance or needs to be dynamically generated.

It is worth noting that the exact syntax and usage of the command might vary depending on the programming language or context in which it is being used.