FORM obtener_filepath CHANGING p_ls_path TYPE string.
DATA: li_subrc LIKE sy-subrc,
ltd_filetable TYPE filetable,
lwa_filetable TYPE file_table,
ls_path TYPE string,
user_action TYPE i.
CALL METHOD cl_gui_frontend_services=>file_open_dialog
EXPORTING
window_title = 'Seleccionar archivo de texto'
default_filename = '*.txt'
multiselection = ' '
CHANGING
file_table = ltd_filetable
rc = li_subrc
user_action = user_action
EXCEPTIONS
file_open_dialog_failed = 1
cntl_error = 2
error_no_gui = 3
OTHERS = 5.
IF sy-subrc <> 0.
MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
ELSE.
CASE user_action.
WHEN 0.
READ TABLE ltd_filetable INTO lwa_filetable INDEX 1.
p_ls_path = lwa_filetable-filename.
WHEN OTHERS.
MESSAGE i398 WITH 'No se selecciono un archivo'.
ENDCASE.
ENDIF.
ENDFORM.
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