Special character on reading file in the background

Hi All.
I am trying to read a file taht looks like below.
When I read in background using READ DATASET it gives an extra character in the beginning of the 1st line only.
OPEN DATASET is_sel_data-app_path IN TEXT MODE ENCODING
DEFAULT FOR INPUT.
This does not happen when i read using GUI_UPLOAD.
This distorts our data column indication in the background. Please suggest what could be the reason for this.
| |MANDT|MATNR               |WERKS |STAWN              |
| |203 |000000000010089283 |A041 |38249099           |
| |203 |000000000010089292 |A041 |38249099           |
| |203 |000000000010059745 |A041 |38249099           |
| |203 |000000000010059802 |A041 |34029090           |
Thanks,
Vinotha M
Edited by: Vinotha M on Oct 21, 2010 9:30 AM
Edited by: Vinotha M on Oct 21, 2010 9:33 AM
Edited by: Vinotha M on Oct 21, 2010 9:34 AM

Thanks for your reply!.
This is a standard GTS Program i.e its a load program.
Is there anything else I can do.

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