Moved eulergen code into shell script.

.gitignore

@@ -0,0 +1 @@
+eulergen.sh.jar

eulergen.sh

@@ -1,8 +1,31 @@
 #!/bin/sh
+exec scala -savecompiled $0 $@
+!#
 
-if [ ! -d classes ]; then
-    mkdir classes
-fi
-scalac -deprecation -d classes EulerGen.scala
+import java.io.PrintWriter;
+import java.io.FileWriter;
+import java.io.File;
 
-scala -cp classes EulerGen $*
+object EulerGen {
+  def main (args :Array[String]) {
+    if (args.length == 0) {
+      println("Usage: EulerGen N");
+      sys.exit(255);
+    }
+
+    val n :Int = Integer.valueOf(args(0)).intValue();
+    val name = "Euler" + n + ".scala";
+    val file = new File(name);
+    if (file.exists()) {
+      println(name + " already exists.");
+      sys.exit(255);
+    }
+
+    println("Generating " + name + "...");
+    val out = new PrintWriter(new FileWriter(file));
+    out.println("object Euler" + n + " extends EulerApp {");
+    out.println("  def answer = \"<insert brilliant solution here>\"");
+    out.println("}");
+    out.close();
+  }
+}