Need Help W/ JScript

Here is what I have so far. What I'm trying to do is edit a large multipage *.PS file. %%BeginDocument is the top of the page and %%Trailer is bottom of the page. What I need is for the script to copy every thing betten the top and bottom of the page and out put it as a seperate file.

Any ideas. Please help me out Thx.



var source_file_folder = ("C:\scripting\"); //Set to your own file structure
var source_file_name_base = ("31286");
var source_file_name_extension = (".PS");
var output_file_name = ("addresslist.txt");
var input_line;
var page = true;
var d = new Date();
var count = 0;

var line_test = /^%%BeginDocument/

FSO = new ActiveXObject("Scripting.fileSystemObject");
var log_file = FSO.CreateTextFile(source_file_folder + "log.txt", true);

var output_file = FSO.CreateTextFile(source_file_folder + output_file_name, true);

var input_file = FSO.GetFile(source_file_folder + source_file_name_base + source_file_name_extension);
var input_file_stream = input_file.OpenAsTextStream(1);
input_line = input_file_stream.ReadLine();

do
{
input_line = input_file_stream.ReadLine();
if (line_test.test(input_line))
{
output_file.Writeline(input_line);
count++;
} else {
}
}
while (!input_file_stream.AtEndOfStream);

log_file.Writeline("Total records with bad addresses: " + count);

input_file_stream.Close();
output_file.Close();
log_file.Close();
WScript.Echo("All Done");

[moved to clientside]