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2 points by svk 883 days ago | link | parent

I downloaded and installed racket as described on arc installation page, and I got DrRacket version 8.0. The DrRacket window says: "Welcome to DrRacket, version 8.0 [cs]. Language: No language chosen; memory limit: 128 MB. DrRacket cannot process programs until you choose a programming language. Either select the “Choose Language…” item in the “Language” menu, or get guidance. > I've tried to type racket -f as.scm, but it doesn't work. I've type the same instruction in my MacBook Terminal, it doesn't work either. I don't know what to do next. Have I got the wrong racket? Thanks, jsgrahamus, for your reply :)

3 points by zck 883 days ago | link

The "racket -f as.scm" is supposed to be done in your terminal, you're right! DrRacket is a different thing that is very cool, but not the tool to run Arc with.

When you type it in your terminal, what does it say? If it says something like "racket not found", try downloading the racket installer from

If it installs correctly, you should be able to type "racket" (without quotes) in your terminal, and get a message "Welcome to Racket 8.0". To quit, press Ctrl-D, or type (exit) with the parentheses, then hit enter.

If that works, you should be able to run "racket -f as.scm".


3 points by svk 883 days ago | link

Thank you so much, zck :) I've used a combination of your helpful suggestions, stack overflow, and cd command to get to the right folder, and now it works. I got the arc command prompt (arc>) in my terminal now. I will take my time to explore the tutorial on Arc. I feel good that this community is really helpful. Thanks everyone!