Personally, I don't load individual .clj file at the command line. I'll usually build a .jar & include it in my classpath.
On Feb 5, 5:52 pm, Mike Jarmy <mja...@gmail.com> wrote: > OK, here's a slightly more elaborate toy example that works. In this > example, foo-main.clj needs foo-a.clj, and they both need > foo-util.clj. I was expecting the (in-ns) call in foo-a to have a > ":load" keyword, just like (ns) in foo-main, but it doesn't, so I just > called (load) afterwards. > > Anyway, this will work for me. If there is a more idiomatic way to do > it, let me know. > > It might be helpful if the documentation > athttp://clojure.org/namespacesmentioned how to split out a namespace > into multiple files. It mentions (in-ns) in regards to REPL, but for > scripting it doesn't really explain how multi-file namespaces are > supposed to work. > > ;; foo-main.clj > (ns foo (:load "foo-a" "foo-util")) > > (defn main [] > (print "hello from main\n") > (aaa "FOO-MAIN") > (util "FOO-MAIN")) > > (main) > > ;; foo-a.clj > (in-ns 'foo) > (load "foo-util") > > (defn aaa [arg] > (print (format "hello from aaa: %s\n" arg)) > (util "FOO-A")) > > ;; foo-util.clj > (in-ns 'foo) > > (defn util [arg] > (print (format "hello from util: %s\n" arg))) > > > > On Fri, Feb 5, 2010 at 5:26 PM, Mike Jarmy <mja...@gmail.com> wrote: > > Greg: your code works, if I go back to the original classpath. > > Thanks. The 2nd classpath I posted was purely out of desperation, I > > didn't think it was really going to work. > > > What your code implies to me is that for each namespace, there should > > be one source file that is sort of the 'master' file -- foo.clj in the > > case of my toy example. The other files in the namespace should use > > (in-ns). I'm going to experiment now with loading one of these > > subsidary files from another. Maybe the lesson will be that you > > aren't supposed to do that, we'll see. > > > I wouldn't say that closure's documentation is barren per se. I've > > got "Programming in Clojure" and > >http://java.ociweb.com/mark/clojure/article.html, which are both > > helping a lot (plus clojure.org of course). Clojure is still pretty > > new, I'm sure the documentation will improve. I would say that the > > documentation does a good job on the lispy parts of clojure, but not > > so good of a job explaining namespaces, code organization, etc. > > > On Fri, Feb 5, 2010 at 5:09 PM, Greg <g...@kinostudios.com> wrote: > >> Mike, I'd say this is not your fault. I'm a clojure newbie too and the > >> answer to your question is nowhere to be found in Clojure's barren > >> documentation. > > >> You're using the right command line stuff, but you need to change your > >> code: > > >> ;; foo.clj > >> (ns foo (:load "foo-util")) > > >> (defn main [] > >> (print "hello from main\n") > >> (frob)) > > >> (main) > > >> ;; foo-util.clj > >> (in-ns 'foo) > > >> (defn frob [] > >> (print "hello from frob\n")) > > >> - Greg > > >> On Feb 5, 2010, at 4:38 PM, Mike Jarmy wrote: > > >>> That yields ".;lib/clojure.jar", just as we'd expect. I also tried, > >>> "java -cp foo.clj;foo-util.clj;lib/clojure.jar clojure.main foo.clj", > >>> but that gave the same error. All of these classpaths work when I > >>> comment out the calls to "(require 'foo-util)" and "(frob)" -- which > >>> you would expect, since at that point foo.clj is just a trivial hello > >>> world script. > > >>> So we are agreed that my clojure code *ought* to work, given the > >>> correct class path, but it does not? So this must be some clojure > >>> classloader thing? Maybe I'm doing something out of the ordinary > >>> here, and there's a more closure-idiomatic way to do it? It does seem > >>> like the right approach to me that every file in a given directory > >>> should have the same namespace. > > >>> On Fri, Feb 5, 2010 at 4:16 PM, Meikel Brandmeyer <m...@kotka.de> wrote: > >>>> Hi, > > >>>> Am 05.02.2010 um 22:13 schrieb Sean Devlin: > > >>>>> This expression will provide a string that is the classpath > > >>>>> ((into {} (System/getProperties)) "java.class.path") > > >>>>> There's probably a more elegant way... anyone? > > >>>> Simply (System/getProperty "java.class.path")? > > >>>> Sincerely > >>>> Meikel > > >>>> -- > >>>> You received this message because you are subscribed to the Google > >>>> Groups "Clojure" group. > >>>> To post to this group, send email to clojure@googlegroups.com > >>>> Note that posts from new members are moderated - please be patient with > >>>> your first post. > >>>> To unsubscribe from this group, send email to > >>>> clojure+unsubscr...@googlegroups.com > >>>> For more options, visit this group at > >>>>http://groups.google.com/group/clojure?hl=en > > >>> -- > >>> You received this message because you are subscribed to the Google > >>> Groups "Clojure" group. > >>> To post to this group, send email to clojure@googlegroups.com > >>> Note that posts from new members are moderated - please be patient with > >>> your first post. > >>> To unsubscribe from this group, send email to > >>> clojure+unsubscr...@googlegroups.com > >>> For more options, visit this group at > >>>http://groups.google.com/group/clojure?hl=en > > >> -- > >> You received this message because you are subscribed to the Google > >> Groups "Clojure" group. > >> To post to this group, send email to clojure@googlegroups.com > >> Note that posts from new members are moderated - please be patient with > >> your first post. > >> To unsubscribe from this group, send email to > >> clojure+unsubscr...@googlegroups.com > >> For more options, visit this group at > >>http://groups.google.com/group/clojure?hl=en -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
