A problem has traped me for quite a while when I'm exploring Clojure. I try
to generate a class by invoking the <code>compile</code> function in REPL
on a Clojure script as below:
(ns mylib.DirLister (:gen-class))
(defn -listDir [this path]
(->> path java.io.File. .listFiles (map #(.getName %))))
I saved this script to _e:/temp/clj/src/mylib/DirLister.clj_. The following
session goes well when I specify the **relative paths** for the
<code>-cp</code> option, i.e., classes are successfully generated in the
classes path:
e:\temp\clj>java -cp
.\src;.\classes;d:/tools/clojure-1.4.0/clojure-1.4.0.jar clojure.main
Clojure 1.4.0
user=> (compile 'mylib.DirLister)
mylib.DirLister
user=>
But when I use **absolute paths**, there prompt a "No such file or
directory" error:
e:\>java -cp
e:/temp/clj/src;e:/temp/clj/classes;d:/tools/clojure-1.4.0/clojure-1.4.0.jar
clojure.main
Clojure 1.4.0
user=> (compile 'mylib.DirLister)
CompilerException java.io.IOException: No such file or directory,
compiling:(mylib/DirLister.clj:1)
user=>
How come ? I mean why the absolute paths don't work but the relative paths
do.
I know I could go with leiningen. but since I'm studying Clojure, I want to
understand the stuff underneath before adopting this full-featured tool.
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