" ty_output and tt_output are just dummy types
DATA: l_output_line TYPE ty_output,
l_output_lines TYPE tt_output,
l_csv_output TYPE truxs_t_text_data,
l_txt_output TYPE TABLE OF string,
PARAMETERS: p_alv RADIOBUTTON GROUP rb1 DEFAULT 'X' USER-COMMAND radio,
p_csv RADIOBUTTON GROUP rb1,
p_flcsv TYPE rlgrap-filename DEFAULT 'c:\temp\file.csv',
p_txt RADIOBUTTON GROUP rb1,
p_fltxt TYPE rlgrap-filename DEFAULT 'c:\temp\file.txt'.
" fill table l_output_lines with your data you want to export as txt or csv
IF p_csv = abap_true.
CALL FUNCTION 'SAP_CONVERT_TO_CSV_FORMAT'
TABLES
i_tab_sap_data = l_output_lines
CHANGING
i_tab_converted_data = l_csv_output.
TRY.
cl_gui_frontend_services=>gui_download( EXPORTING filename = CONV #( p_flcsv )
filetype = 'ASC'
CHANGING data_tab = l_csv_output ).
CATCH cx_root INTO DATA(e_text).
MESSAGE e_text->get_text( ) TYPE 'I'.
ENDTRY.
ELSEIF p_txt = abap_true.
LOOP AT l_output_lines INTO l_output_line.
CALL FUNCTION 'SO_STRUCT_TO_CHAR'
EXPORTING
ip_struct = l_output_line
IMPORTING
ep_string = l_string.
APPEND l_string TO l_txt_output.
ENDLOOP.
TRY.
cl_gui_frontend_services=>gui_download( EXPORTING filename = CONV #( p_fltxt )
filetype = 'ASC'
CHANGING data_tab = l_txt_output ).
CATCH cx_root INTO e_text.
MESSAGE e_text->get_text( ) TYPE 'I'.
ENDTRY.
ENDIF.
