problem with read dataset...urgent plz

Hi all,

i am saving the output pdf table(which contains junk data like japanese characters) from CONVERT_OTF fm in to the application server by using open dataset in binary mode. and it is saving as txt file .but in that txt file i am getting some different characters like #.... when i am checkin it.why so?

And while reading it also it is showing some problem.....so how to read it..

if possible explain with some sample code also..............

Thanks in advance......

regards,

sharma.