Good. There are lists of NSFW subreddits so you can find the intersect between the two lists, or you could use the GNU utility curl to query each of the subreddits on old.reddit.com/r/<insert_subreddit_name>, use grep to isolate responses that redirected to https://old.reddit.com/over18?dest=https%3A%2F%2Fold.reddit.com%2Fr%2F<insert_subreddit_name> and then the sed command to extract subreddit names only.
Edit: Did just that; see my other comment or Reddit mirror for results
Good. There are lists of NSFW subreddits so you can find the intersect between the two lists, or you could use the GNU utility
curlto query each of the subreddits onold.reddit.com/r/<insert_subreddit_name>, usegrepto isolate responses that redirected tohttps://old.reddit.com/over18?dest=https%3A%2F%2Fold.reddit.com%2Fr%2F<insert_subreddit_name>and then thesedcommand to extract subreddit names only.Edit: Did just that; see my other comment or Reddit mirror for results
I’m sorry but I’m going to have to charge you $20 million for that curl on the reddit site :P