diff -up itext-2.1.5/src/core/com/lowagie/text/pdf/RandomAccessFileOrArray.java.pdftk itext-2.1.5/src/core/com/lowagie/text/pdf/RandomAccessFileOrArray.java

--- itext-2.1.5/src/core/com/lowagie/text/pdf/RandomAccessFileOrArray.java.pdftk	2009-04-21 18:12:02.000000000 +0200

+++ itext-2.1.5/src/core/com/lowagie/text/pdf/RandomAccessFileOrArray.java	2009-04-21 18:17:08.000000000 +0200

@@ -99,7 +99,11 @@ public class RandomAccessFileOrArray imp

                 }

             }

             else {

-                InputStream is = BaseFont.getResourceStream(filename);

+		InputStream is;

+		if( filename.equals("-"))

+		    is = System.in;

+		else

+		    is = BaseFont.getResourceStream(filename);

                 if (is == null)

                     throw new IOException(filename + " not found as file or resource.");

                 try {