Thank you all for the ideas. []'s
Rodolfo Carvalho On Thu, Jun 2, 2011 at 20:44, Neil Van Dyke <[email protected]> wrote: > Rodolfo Carvalho wrote at 06/02/2011 05:42 PM: > > I would like a have a file that when run standalone executes some code, >> and when "required" by another module just provides some definitions. >> >> > The following works on Linux. You might have to change the "/usr/bin" to > be whatever directory your "racket" executable is in. > > > #!/usr/bin/racket -ucm > #lang racket/base > > (define foo 42) > > (define (bar x) (* x 2)) > > (define (main) > (display "Hello, world!\n")) > > (provide foo bar main) > > > If "-ucm" is difficult to remember, the "m" has to be last, but one can > swap the order of the "u" and the "c", for a mnemonic that no student will > forget. > > Also, "-M" (uppercase) isn't yet used as a command line option, so that > might be good shorthand to add for this kind of module/script. Perhaps "-M" > could permit the procedure name after, since requiring multiple modules > providing "main" would be a pain outweighing the convenience, IMHO. I think > it would require a low-level change to the command-line parser (since"#!" > wants to read only a single argument). > > -- > http://www.neilvandyke.org/ > >
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