FM to check whether directory exist on both PC and AS??

hi all,
I want to check the directory name given by user. basically its an option, it cud be either for Application server or PC. I want to knw if any FMs exist for the same.
One i knw is CL_GUI_FRONTEND_SERVICE but i dont knw the implementation.
Also wud it be different FMs for application server and PC?
thanks and regards,
Gaurav

Hi,
 Pick up the file path from the presentation server
FORM f1000_browse_presentation_file .
CONSTANTS: lcl_path TYPE char20 VALUE 'C:\'.
CALL FUNCTION 'WS_FILENAME_GET'
 EXPORTING
 def_path = lcl_path
 mask = c_mask "',.,..'
 mode = c_mode
 title = text-003
 IMPORTING
 filename = p_f1
 EXCEPTIONS
 inv_winsys = 1
 no_batch = 2
 selection_cancel = 3
 selection_error = 4
 OTHERS = 5.
IF sy-subrc <> 0.
File does not exist
 flg_pre = c_x.
ENDIF.
ENDFORM. " f1000_browse_presentation_file
*& Form f1001_browse_appl_file
 Pick up the file path from the application server
FORM f1001_browse_appl_file .
DATA: lcl_directory TYPE char128.
lcl_directory = p_direct.
CALL FUNCTION '/SAPDMC/LSM_F4_SERVER_FILE'
 EXPORTING
 directory = lcl_directory
 filemask = c_mask
 IMPORTING
 serverfile = p_f2
 EXCEPTIONS
 canceled_by_user = 1
 OTHERS = 2.
IF sy-subrc <> 0.
 MESSAGE e000(zmm) WITH File does not exist
 flg_app = 'X'.
ENDIF.
ENDFORM. " f1001_browse_appl_file
Reward points if this Helps.
Manish

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