public static Object bgl_open_input_file( byte[] s, byte[] b )
{
Object result= BFALSE;
try
{
if (input_pipe_port.pipe_name_p( s ))
result= new input_pipe_port( s, b );
else
result= new input_file_port( s, b );
}
catch (Exception)
{
}
return result;
}