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diff --git a/src/main/java/com/lowagie/tools/concat_pdf.java b/src/main/java/com/lowagie/tools/concat_pdf.java
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+/*
+ * $Id: concat_pdf.java,v 1.19 2006/04/28 16:26:38 psoares33 Exp $
+ * $Name:  $
+ *
+ * This code is free software. It may only be copied or modified
+ * if you include the following copyright notice:
+ *
+ * This class by Mark Thompson. Copyright (c) 2002 Mark Thompson.
+ *
+ * This code is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * itext@lowagie.com
+ */
+
+/**
+ * This class demonstrates copying a PDF file using iText.
+ * @author Mark Thompson
+ */
+package com.lowagie.tools;
+
+import java.io.*;
+
+import com.lowagie.text.Document;
+import com.lowagie.text.pdf.*;
+import java.util.List;
+import java.util.ArrayList;
+
+/**
+ * Tool that can be used to concatenate existing PDF files.
+ */
+public class concat_pdf {
+    
+    /**
+     * This class can be used to concatenate existing PDF files.
+     * (This was an example known as PdfCopy.java)
+     * @param args the command line arguments
+     */
+    public static void main(String args[]) {
+        if (args.length < 2) {
+            System.err.println("arguments: file1 [file2 ...] destfile");
+        }
+        else {
+            try {
+                int pageOffset = 0;
+                ArrayList master = new ArrayList();
+                int f = 0;
+                String outFile = args[args.length-1];
+                Document document = null;
+                PdfCopy  writer = null;
+                while (f < args.length-1) {
+                    // we create a reader for a certain document
+                    PdfReader reader = new PdfReader(args[f]);
+                    reader.consolidateNamedDestinations();
+                    // we retrieve the total number of pages
+                    int n = reader.getNumberOfPages();
+                    List bookmarks = SimpleBookmark.getBookmark(reader);
+                    if (bookmarks != null) {
+                        if (pageOffset != 0)
+                            SimpleBookmark.shiftPageNumbers(bookmarks, pageOffset, null);
+                        master.addAll(bookmarks);
+                    }
+                    pageOffset += n;
+                    System.out.println("There are " + n + " pages in " + args[f]);
+                    
+                    if (f == 0) {
+                        // step 1: creation of a document-object
+                        document = new Document(reader.getPageSizeWithRotation(1));
+                        // step 2: we create a writer that listens to the document
+                        writer = new PdfCopy(document, new FileOutputStream(outFile));
+                        // step 3: we open the document
+                        document.open();
+                    }
+                    // step 4: we add content
+                    PdfImportedPage page;
+                    for (int i = 0; i < n; ) {
+                        ++i;
+                        page = writer.getImportedPage(reader, i);
+                        writer.addPage(page);
+                        System.out.println("Processed page " + i);
+                    }
+                    writer.freeReader(reader);
+                    f++;
+                }
+                if (master.size() > 0)
+                    writer.setOutlines(master);
+                // step 5: we close the document
+                document.close();
+            }
+            catch(Exception e) {
+                e.printStackTrace();
+            }
+        }
+    }
+}