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diff --git a/Tools/Scripts/do-file-rename b/Tools/Scripts/do-file-rename
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+#!/usr/bin/perl -w
+
+# Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1.  Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer. 
+# 2.  Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution. 
+# 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+#     its contributors may be used to endorse or promote products derived
+#     from this software without specific prior written permission. 
+#
+# THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Script to do file renaming.
+
+use strict;
+use File::Find;
+use FindBin;
+use lib $FindBin::Bin;
+use webkitdirs;
+use VCSUtils;
+
+setConfiguration();
+chdirWebKit();
+
+my %words;
+
+# find all files we want to process
+
+my @paths;
+find(\&wanted, "JavaScriptCore");
+find(\&wanted, "JavaScriptGlue");
+find(\&wanted, "WebCore");
+find(\&wanted, "WebKit");
+find(\&wanted, "WebKit2");
+
+sub wanted
+{
+    my $file = $_;
+
+    if ($file eq "icu") {
+        $File::Find::prune = 1;
+        return;
+    }
+
+    if ($file =~ /^\../) {
+        $File::Find::prune = 1;
+        return;
+    }
+
+    return if $file =~ /^ChangeLog/;
+    return if -d $file;
+
+    push @paths, $File::Find::name;
+}
+
+my %renames = (
+);
+
+my %renamesContemplatedForTheFuture = (
+);
+
+# rename files
+
+my %newFile;
+for my $file (sort @paths) {
+    my $f = $file;
+    $f = "$1$renames{$2}" if $f =~ /^(.*\/)(\w+\.\w+)$/ && $renames{$2};
+    $newFile{$file} = $f if $f ne $file;
+}
+
+for my $file (sort @paths) {
+    if ($newFile{$file}) {
+        my $newFile = $newFile{$file};
+        print "Renaming $file to $newFile\n";
+        scmMoveOrRenameFile($file, $newFile);
+    }
+}
+
+# change all file contents
+
+for my $file (sort @paths) {
+    $file = $newFile{$file} if $newFile{$file};
+    my $contents;
+    {
+        local $/;
+        open FILE, $file or die;
+        $contents = <FILE>;
+        close FILE;
+    }
+    my $newContents = $contents;
+
+    for my $from (keys %renames) {
+        $newContents =~ s/\b\Q$from\E(?!\w)/$renames{$from}/g; # this " unconfuses Xcode syntax highlighting
+    }
+
+    if ($newContents ne $contents) {
+        open FILE, ">", $file or die;
+        print FILE $newContents;
+        close FILE;
+    }
+}