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I see. I was thinking of using an if else statement to check whether if there is an argument for the command or not. If there is an argument, then the command would use that argument, which is the...

Hmm, so [: punct:] would be a good place to start with?

Just started learning Unix and received my first assignment recently. We haven't learned many commands and honestly, I'm stumped. I'd like to receive assistance/guidance/hints.

1. The problem...