Hello,
win XP, clojure 1.2.1 and clojure.contrib-1.2.0.jar here. i want to
learn clojure (background python and javascript and a bit Haskell) and
are currently reading the pdf 'Programming Clojure' from 2009.
In Chapter 1.3: 'Exploring Clojure Libraries' it says:
"
Clojure code is packaged in libraries. Each Clojure library belongs to
a namespace, which is analogous to a Java package. You can load a
Clojure library with require:
(require quoted-namespace-symbol)
When you require a library named clojure.contrib.str-utils, Clojure
looks for
a file named clojure/contrib/str-utils.clj on the CLASSPATH. Try it:
user=> (require 'clojure.contrib.str-utils)
nil
"
i did. i got:
user=> (require 'clojure.contrib.str-utils)
java.io.FileNotFoundException: Could not locate clojure/contrib/
str_utils__init.class or clojure/contrib/str_utils.clj on classpath:
(NO_SOURCE_FILE:0)
i googled a bit. i now know that:
* if you type str-utils it searches for str_utils.clj, not str-
utils.clj btw.
my pdf is wrong (or old) here.
* setting CLASSPATH doesnt help (JAVA_HOME is set btw).
* setting classpath directly with ...
java -classpath C:\CLOJURE\lib\clojure-contrib-1.2.0.jar -cp
clojure.jar clojure.main
... doesnt help.
* doing add-classpath seemed to work for a guy @
http://stackoverflow.com/questions/1805081/clojure-cant-find-clj-in-local-directory-and-classes-on-classpath
but a) not for me ...
user=> (add-classpath "file:///C:/CLOJURE/lib/clojure-
contrib-1.2.0.jar")
WARNING: add-classpath is deprecated
nil
user=> (println (seq (.getURLs (java.lang.ClassLoader/
getSystemClassLoader))))
(#<URL file:/C:/CLOJURE/bin/clojure.jar>)
nil
... and b) it is depreaced.
both str_utils__init.class and clojure/contrib/str_utils.clj are
contained in this contrib jar at the right position. I tried removing
the numbers from the jar. i tried extracting the contents of the jar.
i tried moving the contrib folder to C:\CLOJURE\bin\src\clj\clojure.
li tried moving the contrib jar to C:\CLOJURE\bin.
Now i need a hint. How to import libs in Clojure?
greets, Wanderfels
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