Index: .
===================================================================
--- .	(revision 496688)
+++ .	(working copy)
@@ -76,6 +76,12 @@
     private File file = null;
 
     /**
+     * File to which all checksums will be written. If not specified, 
+     * a separate file will be written for each checksum.
+     */
+    private File tofile;
+
+    /**
      * Root directory in which the checksum files will be written.
      * If not specified, the checksum files will be written
      * in the same directory as each file.
@@ -160,6 +166,16 @@
     }
 
     /**
+     * Sets a file to which checksums will be written.
+     * written/read
+     * @param tofile a <code>File</code> value
+     * @since Ant 1.7
+     */
+    public void setTofile(File tofile) {
+        this.tofile = tofile;
+    }
+
+    /**
      * Sets the root directory where checksum files will be
      * written/read
      * @param todir the directory to write to
@@ -383,6 +399,9 @@
         } else if (fileext.trim().length() == 0) {
             throw new BuildException("File extension when specified must not be an empty string");
         }
+        if (tofile != null && tofile.exists()) {
+            tofile.delete();
+        }
         try {
             if (resources != null) {
                 for (Iterator i = resources.iterator(); i.hasNext();) {
@@ -445,7 +464,9 @@
     }
 
     private File getChecksumFile(File file) {
-        File directory;
+        if (tofile != null)
+            return tofile;
+    	File directory;
         if (todir != null) {
             // A separate directory was explicitly declared
             String path = (String) relativeFilePaths.get(file);
@@ -526,7 +547,7 @@
                         }
                     } else {
                         File dest = (File) destination;
-                        fos = new FileOutputStream(dest);
+                        fos = new FileOutputStream(dest, tofile != null);
                         fos.write(format.format(new Object[] {
                                                     checksum,
                                                     src.getName(),