1. 2/26/2014 Example of passing internal tables to an subroutine - Code Gallery- SCN Wiki
http://wiki.scn.sap.com/wiki/display/Snippets/Example+of+passing+internal+tables+to+an+subroutine 1/2
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Added by ravi r, last edited by Manish Kumar on Sep 06, 2013
Code Gallery
Example of passing internal tables to an subroutine
Submitted by: Ravi r
April 30, 2007
Here is an siple program on how to pass an internal table to an sunbroutine
1)
The produces the follow ing output:
1 1
2 4
3 9
You can define the types of the formal parameters of the parameter interfaces of procedures as internal tables. In the example, the subroutines FILL and OUT each have one formal parameter defined as an
internal table. An internal table w ithout header line is passed to the subroutines. Each subroutine declares a w ork area F_LINE as a local data object. Were ITAB a table w ith a header line, you w ould have to
replace ITAB w ith ITAB[] in the PERFORM and FORM statements.
2)
This example is provided for completeness. The TABLES parameter is only supported for the sake of compatibility and should not be used.
PROGRAMform_test.
DATA:BEGINOFline,
col1TYPEi,
col2TYPEi,
ENDOFline.
DATAitabLIKESTANDARDTABLEOFline.
PERFORMfillCHANGINGitab.
PERFORMoutUSINGitab.
*&---------------------------------------------------------------------*
*& Form FILL
*&---------------------------------------------------------------------*
FORMfillCHANGINGf_itabLIKEitab.
DATAf_lineLIKELINEOFf_itab.
DO3TIMES.
f_line-col1=sy-index.
f_line-col2=sy-index**2.
APPENDf_lineTOf_itab.
ENDDO.
ENDFORM. "FILL
*&---------------------------------------------------------------------*
*& Form OUT
*&---------------------------------------------------------------------*
FORMoutUSINGvalue(f_itab)LIKEitab.
DATAf_lineLIKELINEOFf_itab.
LOOPATf_itabINTOf_line.
WRITE:/f_line-col1,f_line-col2.
ENDLOOP.
ENDFORM. "OUT
PROGRAMform_test.
TYPES:BEGINOFline,
col1TYPEi,
col2TYPEi,
ENDOFline.
DATA:itabTYPESTANDARDTABLEOFlineWITHHEADERLINE,
jtabTYPESTANDARDTABLEOFline.
PERFORMfillTABLESitab.
MOVEitab[]TOjtab.
PERFORMoutTABLESjtab.

2. 2/26/2014 Example of passing internal tables to an subroutine - Code Gallery- SCN Wiki
http://wiki.scn.sap.com/wiki/display/Snippets/Example+of+passing+internal+tables+to+an+subroutine 2/2
The produces the follow ing output:
1 1
2 4
3 9
In this example, an internal table ITAB is declared w ith a header line and an internal table JTAB is declared w ithout a header line. The actual parameter ITAB is passed to the formal parameter F_ITAB of the
subroutine FILL in the TABLES addition. The header line is passed w ith it. After the body of the table has been copied from ITAB to JTAB, the actual parameter is passed to the formal parameter F_ITAB of
the subroutine OUT using the TABLES addition. The header line F_ITAB, w hich is not passed, is generated automatically in the subroutine.
*&---------------------------------------------------------------------*
*& Form FILL
*&---------------------------------------------------------------------*
FORMfillTABLESf_itabLIKEitab[].
DO3TIMES.
f_itab-col1=sy-index.
f_itab-col2=sy-index**2.
APPENDf_itab.
ENDDO.
ENDFORM. "FILL
*&---------------------------------------------------------------------*
*& Form OUT
*&---------------------------------------------------------------------*
FORMoutTABLESf_itabLIKEjtab.
LOOPATf_itab.
WRITE:/f_itab-col1,f_itab-col2.
ENDLOOP.
ENDFORM. "OUT
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