diff --git a/icu4j/src/com/ibm/icu/dev/tool/index/IndexGenerator.java b/icu4j/src/com/ibm/icu/dev/tool/index/IndexGenerator.java
new file mode 100644
index 00000000000..f9f3c3324e5
--- /dev/null
+++ b/icu4j/src/com/ibm/icu/dev/tool/index/IndexGenerator.java
@@ -0,0 +1,80 @@
+/**
+*******************************************************************************
+* Copyright (C) 2005, International Business Machines Corporation and         *
+* others. All Rights Reserved.                                                *
+*******************************************************************************
+*/
+package com.ibm.icu.dev.tool.index;
+
+import java.io.*;
+import java.text.*;
+import java.util.*;
+
+public class IndexGenerator {
+    
+    private final static String stoplist = ",char.res,CurrencyData.res,invuca.res,line.res,line_th.res,pnames.res,res_index.res,sent.res,title.res,ucadata.res,ucase.res,uidna.res,unames.res,unorm.res,uprops.res,word.res,word_ja.res,word_POSIX.res,word_th.res";
+
+    public static void main(String[] args) {
+	if (args.length < 1) {
+	    usage("too few arguments");
+	}
+
+	File inDir = new File(args[0]);
+	if (!inDir.isDirectory() || !inDir.exists()) {
+	    usage("first argument must be existing directory");
+	}
+
+	File outDir = inDir;
+	if (args.length > 1) {
+	    outDir = new File(args[1]);
+	    if (!outDir.isDirectory() || !outDir.exists()) {
+		usage("second argument must be existing directory");
+	    }
+	}
+	    
+	DateFormat fmt = DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG, Locale.US);
+	DateFormat copyfmt = new SimpleDateFormat("'# Copyright (C) 'yyyy' IBM Inc.  All Rights Reserved.'");
+
+	try {
+	    File outFile = new File(outDir, "res_index.txt");
+	    PrintWriter pw = new PrintWriter(new BufferedWriter(new FileWriter(outFile)));
+	    Date now = new Date();
+	    pw.println("# Generated by " + IndexGenerator.class.getName() + " on " + fmt.format(now));
+	    pw.println("# from contents of " + inDir.getCanonicalPath());
+	    pw.println(copyfmt.format(now));
+	    File[] files = inDir.listFiles();
+	    int count = 0;
+	    if (files != null) {
+		for (int i = 0; i < files.length; i++){
+		    if (!files[i].isDirectory()) {
+			String name = files[i].getName();
+			if (name.endsWith(".res") && stoplist.indexOf(name) == -1) {
+			    pw.println(name.substring(0, name.lastIndexOf('.')));
+			    ++count;
+			}
+		    }
+		}
+	    }
+	    pw.println("# Found " + count + " files");
+	    pw.println("# End of file");
+	    if (count == 0) {
+		System.err.println("Warning: matched no files");
+	    } 
+	    pw.close();
+	}
+	catch (IOException e) {
+	    usage(e.getMessage());
+	}
+    }
+
+    private static void usage(String msg) {
+	if (msg != null) {
+	    System.err.println("Error: " + msg);
+	}
+	System.out.println("Usage: IndexGenerator inDir outDir");
+	System.out.println("  inDir is an existing directory whose locale-based resources are to be enumerated");
+	System.out.println("  outDir is an existing directory in which the res_index.txt file will be placed");
+	throw new InternalError("Usage");
+    }
+}
+