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ABAP Keyword Documentation →  ABAP − Reference →  Processing External Data 

ABAP File Interface

The statements of the ABAP file interface enable ABAP statements to edit files on the host computers of the current AS Instance. Methods of the global class CL_GUI_FRONTEND_SERVICES are available for files on presentation servers.

Other versions: 7.31 | 7.40 | 7.54


  • Files on the host computers of the AS Instances are not usually suited as persistent repositories of data from application programs. Data is saved in a way specific to the platform, and usually only files on the host computer of the current AS Instance can be accessed. This can be a problem in systems with more than one AS Instances.

  • Files on the host computers of the AS Instancess can be used to exchange data with non-SAP systems.


Physical and Logical File Names

Authorization for File Access

Locking Files

System Class for the File Interface

Statements for the ABAP File Interface