How to read any file image file or doc. or any kind and put it in abap

Hi All,
I want to write RFC to read any kind of file ,image or doc or any type and put it in ABAP .
Also read that file from ABAP .
Can anyone suggest me how to do this functionality?
Thanks.

The internal table can be of of string.
Types : begin of typ_line,
             line type string,
            end   of typ_line,
            typ_doc type table of typ_line.
data : t_file type typ_doc.
  CALL FUNCTION 'GUI_UPLOAD'
    EXPORTING
      filename                = l_file
      filetype                = 'bin'
    TABLES
      data_tab                = t_file
    EXCEPTIONS
      file_open_error         = 1
      file_read_error         = 2
      no_batch                = 3
      gui_refuse_filetransfer = 4
      invalid_type            = 5
      no_authority            = 6
      unknown_error           = 7
      bad_data_format         = 8
      header_not_allowed      = 9
      separator_not_allowed   = 10
      header_too_long         = 11
      unknown_dp_error        = 12
      access_denied           = 13
      dp_out_of_memory        = 14
      disk_full               = 15
      dp_timeout              = 16
      OTHERS                  = 17.
You will have the contents into this internal table T_FILE. You can loop on this table and store it as a application server file using WRITE DATASET.

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