write file to pc/unix -function module
FUNCTION Z_WRITE_TO_FILE.*"----------------------------------------------------------------------*"*"Local Interface:*" IMPORTING*" REFERENCE(ITAB) TYPE ANY TABLE*" REFERENCE(FLD_DELI) TYPE CHAR1 DEFAULT ','*" REFERENCE(REC_DELI) TYPE CHAR2*" REFERENCE(ENCLOSE_CHAR) TYPE CHAR1 DEFAULT '"'*" REFERENCE(FILENAME) TYPE RLGRAP-FILENAME*" REFERENCE(ACCESSMODE) TYPE CHAR1 DEFAULT 'O'*" REFERENCE(CODEPAGE) TYPE TCP00-CPCODEPAGE DEFAULT 1160*" REFERENCE(DISP_LABEL) TYPE CHAR1 DEFAULT ''*" REFERENCE(STRUT_NAME) TYPE DD03T-TABNAME DEFAULT ''*" EXPORTING*" REFERENCE(MSG) TYPE STRING*" EXCEPTIONS*" FILE_CANNOT_OPEN*" FILE_CLOSE_ERROR*" FILE_DOWNLOAD_ERROR*" STRUT_NAME_ERROR*"----------------------------------------------------------------------* This function is used to download a passed itab with any type to UNIX* server or client PC with specified field & record delimiter, access mode,* codepage and path.*----------------------------------------------------------------------- TYPE-POOLS: ABAP.
* the following code should be in global data.-begin
CONSTANTS: C_QOUTATION_MARK TYPE C VALUE '"', C_UNIX VALUE 'U', C_PC VALUE 'P', C_DASH VALUE '-', C_DOWNLOAD_SUCCESS VALUE 'Successfully downloaded file:', C_DOWNLOAD_FAILURE VALUE 'Error downloading file:'.FORM GET_PATH_OS_TYPE USING P_PATH CHANGING P_TYPE. SEARCH P_PATH FOR '/'. "Unix directory IF SY-SUBRC = 0. P_TYPE = C_UNIX. ELSE. SEARCH P_PATH FOR '\'. "PC directory IF SY-SUBRC = 0. P_TYPE = C_PC. ENDIF. ENDIF.ENDFORM.
* Global data .-end.
DATA: LT_COMPS TYPE ABAP_COMPDESCR_TAB, WA_COMP LIKE LINE OF LT_COMPS, LR_STRUCTDESR TYPE REF TO CL_ABAP_STRUCTDESCR, "CL_ABAP_TABLEDESCR, LT_FLD_DESP TYPE TABLE OF DFIES, WA_FLD_DESP TYPE DFIES.* lv_line used to keep a formated record temporarily. DATA: LV_LINE TYPE STRING, LT_LINES TYPE TABLE OF STRING, LV_FILENAME TYPE STRING, LV_FLD_TEMP(255), LV_CODEPAGE TYPE ABAP_ENCODING. DATA: LV_UNIX_OR_PC TYPE C, LV_APPEND_FLAG TYPE C VALUE ''. FIELD-SYMBOLS: TYPE ANY, TYPE ANY.* if itab is empty, do nothing CHECK NOT ITAB IS INITIAL.* get itab definition info LOOP AT ITAB ASSIGNING . EXIT. ENDLOOP. LR_STRUCTDESR ?= CL_ABAP_TYPEDESCR=>DESCRIBE_BY_DATA( ). LT_COMPS[] = LR_STRUCTDESR->COMPONENTS[].* display field discription IF DISP_LABEL = 'X'.* if pass struture name to the FM, get fields description from DDIC IF NOT STRUT_NAME IS INITIAL. CALL FUNCTION 'DDIF_FIELDINFO_GET' EXPORTING TABNAME = STRUT_NAME LANGU = SY-LANGU TABLES DFIES_TAB = LT_FLD_DESP EXCEPTIONS NOT_FOUND = 1 INTERNAL_ERROR = 2 OTHERS = 3. IF SY-SUBRC = 0. LOOP AT LT_FLD_DESP INTO WA_FLD_DESP. CONCATENATE LV_LINE FLD_DELI C_QOUTATION_MARK WA_FLD_DESP-FIELDTEXT C_QOUTATION_MARK INTO LV_LINE. ENDLOOP. ELSE. RAISE STRUT_NAME_ERROR. ENDIF. ELSE.* if don't pass structure name to the FM, get fields description from runtime environment LOOP AT LT_COMPS INTO WA_COMP. CONCATENATE LV_LINE FLD_DELI C_QOUTATION_MARK WA_COMP-NAME C_QOUTATION_MARK INTO LV_LINE. ENDLOOP. ENDIF. IF NOT LV_LINE IS INITIAL. SHIFT LV_LINE LEFT DELETING LEADING FLD_DELI. APPEND LV_LINE TO LT_LINES. ENDIF. ENDIF.* convert itab to flat
* Get each record of ITAB LOOP AT ITAB ASSIGNING . CLEAR LV_LINE.
* Get each field of each record LOOP AT LT_COMPS INTO WA_COMP. CLEAR LV_FLD_TEMP. ASSIGN COMPONENT WA_COMP-NAME OF STRUCTURE TO .
* connect the field determine by their filed type. IF NOT IS INITIAL.* format field to character type WRITE TO LV_FLD_TEMP LEFT-JUSTIFIED.* SHIFT LV_FLD_TEMP LEFT DELETING LEADING SPACE. CASE WA_COMP-TYPE_KIND. WHEN 'C' or 'D' or 'T'.* if the type of field equals D/T/C, enclose the value of field with quotation mark* if need formatting Date/Time field, place formatting code at here CONCATENATE C_QOUTATION_MARK LV_FLD_TEMP C_QOUTATION_MARK INTO LV_FLD_TEMP. WHEN 'I' or 'N' or 'P'.* if need remove the leading zero of field of type I/N/P/F, place shift code at here WHEN 'F'. CALL FUNCTION 'FLTP_CHAR_CONVERSION' EXPORTING DECIM = 2 INPUT = IMPORTING FLSTR = LV_FLD_TEMP. CONDENSE LV_FLD_TEMP. WHEN OTHERS. ENDCASE. ENDIF. CONCATENATE LV_LINE FLD_DELI LV_FLD_TEMP INTO LV_LINE. ENDLOOP. SHIFT LV_LINE LEFT DELETING LEADING FLD_DELI. APPEND LV_LINE TO LT_LINES. ENDLOOP.* determine if downloading to Unix or PC PERFORM GET_PATH_OS_TYPE USING FILENAME CHANGING LV_UNIX_OR_PC.* download itab to unix server IF LV_UNIX_OR_PC = C_UNIX. IF ACCESSMODE = 'O'. OPEN DATASET FILENAME FOR OUTPUT IN LEGACY TEXT MODE CODE PAGE CODEPAGE MESSAGE MSG IGNORING CONVERSION ERRORS REPLACEMENT CHARACTER '~'. ELSE. OPEN DATASET FILENAME FOR APPENDING IN LEGACY TEXT MODE CODE PAGE CODEPAGE MESSAGE MSG IGNORING CONVERSION ERRORS REPLACEMENT CHARACTER '~'. ENDIF. IF SY-SUBRC <> 0. CONCATENATE MSG C_DASH FILENAME INTO MSG SEPARATED BY SPACE. RAISE FILE_CANNOT_OPEN. ENDIF. LOOP AT LT_LINES INTO LV_LINE. TRANSFER LV_LINE TO FILENAME NO END OF LINE. TRANSFER REC_DELI TO FILENAME NO END OF LINE. ENDLOOP. CLOSE DATASET FILENAME. IF SY-SUBRC = 0. CONCATENATE C_DOWNLOAD_SUCCESS FILENAME INTO MSG SEPARATED BY SPACE. ELSE. CONCATENATE C_DOWNLOAD_FAILURE FILENAME INTO MSG SEPARATED BY SPACE. RAISE FILE_CLOSE_ERROR. ENDIF. ELSEIF LV_UNIX_OR_PC = C_PC.* download itab to pc client LV_FILENAME = FILENAME. LV_CODEPAGE = CODEPAGE. IF ACCESSMODE = 'A'. LV_APPEND_FLAG = 'X'. ENDIF. CALL METHOD CL_GUI_FRONTEND_SERVICES=>GUI_DOWNLOAD EXPORTING* BIN_FILESIZE = FILENAME = LV_FILENAME FILETYPE = 'ASC' APPEND = LV_APPEND_FLAG WRITE_FIELD_SEPARATOR = SPACE* HEADER = '00'* TRUNC_TRAILING_BLANKS = SPACE WRITE_LF = 'X'* COL_SELECT = SPACE* COL_SELECT_MASK = SPACE* DAT_MODE = SPACE* CONFIRM_OVERWRITE = SPACE* NO_AUTH_CHECK = SPACE CODEPAGE = LV_CODEPAGE* IGNORE_CERR = ABAP_TRUE REPLACEMENT = '~'* WRITE_BOM = SPACE TRUNC_TRAILING_BLANKS_EOL = 'X'* WK1_N_FORMAT = SPACE* WK1_N_SIZE = SPACE* WK1_T_FORMAT = SPACE* WK1_T_SIZE = SPACE* IMPORTING* FILELENGTH = CHANGING DATA_TAB = LT_LINES[] EXCEPTIONS FILE_WRITE_ERROR = 1 NO_BATCH = 2 GUI_REFUSE_FILETRANSFER = 3 INVALID_TYPE = 4 NO_AUTHORITY = 5 UNKNOWN_ERROR = 6 HEADER_NOT_ALLOWED = 7 SEPARATOR_NOT_ALLOWED = 8 FILESIZE_NOT_ALLOWED = 9 HEADER_TOO_LONG = 10 DP_ERROR_CREATE = 11 DP_ERROR_SEND = 12 DP_ERROR_WRITE = 13 UNKNOWN_DP_ERROR = 14 ACCESS_DENIED = 15 DP_OUT_OF_MEMORY = 16 DISK_FULL = 17 DP_TIMEOUT = 18 FILE_NOT_FOUND = 19 DATAPROVIDER_EXCEPTION = 20 CONTROL_FLUSH_ERROR = 21 NOT_SUPPORTED_BY_GUI = 22 ERROR_NO_GUI = 23 OTHERS = 24. IF SY-SUBRC = 0. CONCATENATE C_DOWNLOAD_SUCCESS FILENAME INTO MSG SEPARATED BY SPACE. ELSE. CONCATENATE C_DOWNLOAD_FAILURE FILENAME C_DASH SY-MSGNO C_DASH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4 INTO MSG SEPARATED BY SPACE. RAISE FILE_DOWNLOAD_ERROR. ENDIF. ENDIF.ENDFUNCTION.
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