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Working with Files on the Presentation Server  Locate the document in its SAP Library structure

Use the following function modules when working with files on the presentation server:

GUI_DOWNLOAD and GUI_UPLOAD.

Class CL_GUI_FRONTEND_SERVICES gives you the relevant information.

The physical names of the files depend on the operating system of the presentation server. You can, however, make your ABAP programs platform-independent by using logical filenames. For further information, refer to Using Platform-Independent Filenames.