File list (Check if you may need any files):
Pipe_Filter\.classpath
...........\.project
...........\bin\pipe_filter\sa\ConectionFilter.class
...........\...\...........\..\Filter.class
...........\...\...........\..\Input.class
...........\...\...........\..\InputSeparateFilter.class
...........\...\...........\..\Kwic.class
...........\...\...........\..\Main.class
...........\...\...........\..\Output.class
...........\...\...........\..\Pipe.class
...........\...\...........\..\ReceiptFilter.class
...........\...\...........\..\RemainderFilter.class
...........\...\...........\..\SortFilter.class
...........\invo_File.txt
...........\pay_File.txt
...........\src\pipe_filter\sa\ConectionFilter.java
...........\...\...........\..\Filter.java
...........\...\...........\..\Input.java
...........\...\...........\..\InputSeparateFilter.java
...........\...\...........\..\Kwic.java
...........\...\...........\..\Main.java
...........\...\...........\..\Output.java
...........\...\...........\..\Pipe.java
...........\...\...........\..\ReceiptFilter.java
...........\...\...........\..\RemainderFilter.java
...........\...\...........\..\SortFilter.java
...........\bin\pipe_filter\sa
...........\src\pipe_filter\sa
...........\bin\pipe_filter
...........\src\pipe_filter
...........\bin
...........\src
Pipe_Filter