code for reading particular fields from the file placed in application

[Former Member]

hi,

code for reading particular fields from the file placed in application server in to the internal table.

[Former Member]

Hi,

Use the GUI_UPLOAD FM to upload the File into ur Internal Table.

DATA : FILE_TABLE TYPE FILE_TABLE OCCURS 0,

fwa TYPE FILE_TABLE,

FILENAME TYPE STRING,

RC TYPE I.

CALL METHOD CL_GUI_FRONTEND_SERVICES=>FILE_OPEN_DIALOG

EXPORTING

WINDOW_TITLE = 'Open File'

• DEFAULT_EXTENSION =

• DEFAULT_FILENAME =

• FILE_FILTER =

• INITIAL_DIRECTORY =

• MULTISELECTION =

• WITH_ENCODING =

CHANGING

FILE_TABLE = FILE_TABLE

RC = RC

• USER_ACTION =

• FILE_ENCODING =

EXCEPTIONS

FILE_OPEN_DIALOG_FAILED = 1

CNTL_ERROR = 2

ERROR_NO_GUI = 3

NOT_SUPPORTED_BY_GUI = 4

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.

ENDIF.

READ TABLE FILE_TABLE INDEX 1 into fwa.

FILENAME = fwa-FILENAME.

CALL FUNCTION 'GUI_UPLOAD'

EXPORTING

filename = filename

FILETYPE = 'DAT'

• IMPORTING

• FILELENGTH =

TABLES

data_tab = itab

EXCEPTIONS

file_open_error = 1

file_read_error = 2

no_batch = 3

gui_refuse_filetransfer = 4

invalid_type = 5

OTHERS = 6 .

IF sy-subrc <> 0.

MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO

WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.

ENDIF.

Regards,

Balakumar.G

Reward Points if helpful.

[Former Member]

HI,

Use this code

data : filename(250) type c value '/usr/sap/tmp/ASHOKTEST11.TXT'.
start-of-selection.
open dataset filename for input in text mode encoding default.
do.
if sy-subrc <> 0.
exit.
endif.
read dataset filename into itab.
append itab.
enddo.
loop at itab.
write: itab-lifnr.
endloop.

close dataset filename.

Regards,

S.Nehru.

[Former Member]

Hi Bharath,

files in application server are called DATASETs.

for reading/writing data into a dataset we can use

OPEN DATASET file

FOR INPUT

IN BINARY MODE.

DO.

READ DATASET file

INTO <itab> with key itab-fieldname='fld val'

ENDDO.

CLOSE DATASET file.

reward if helpfull.

Regards

Lakshman