Why is gets throwing an error when arguments are passed to my ruby script?

Question

I\'m using gets to pause my script\'s output until the user hits the enter key. If I don\'t pass any arguments to my script then it works fine. However, if I

Answer 1

The whole point of Kernel#gets is to treat the arguments passed to the program as filenames and read those files. The very first sentence in the documentation reads:

Returns (and assigns to $_) the next line from the list of files in ARGV (or $*)

That's just how gets works. If you want to read from a specific IO object (say, $stdin), just call gets on that object.