Function modul for file

Question

hi all.
if i want get a boolean value that explain if there is a file in a server directory, can i use a particular function?

Answer 1

This function module can be used for both servers.
parameters:  p_file(128) .
at selection-screen on p_file.
  perform check_file_exist using p_file sy-subrc.
  if sy-subrc ne 0.
    message e000 with 'File does not exist or Path+Filename > 128 chars'.
  endif.
*&      Form  CHECK_FILE_EXIST
*       text
*      -->P_SY_SUBRC  text
form check_file_exist  using  p_file p_subrc.
  data: l_exist(1).
  call function 'DX_FILE_EXISTENCE_CHECK'
    exporting
      filename    = p_file
      pc          = 'X'  "if space then check is made in application server else in presentation server
    importing
      file_exists = l_exist.
  if l_exist ne 'X'.
    p_subrc = 8.
  endif.
endform.                    " CHECK_FILE_EXIST