Sample ABAP Program for Sapscript PerForm Module

REPORT YLSD999A.
DATA W_LENGTH TYPE I.
* GENERAL PURPOSE SUBROUTINES FOR CALLING FROM SAPSCRIPTS
*-----------------------------------------------------------------------
*----------------------------------------------------------------------
FORM DISPLAY_POUND TABLES IN_TAB STRUCTURE ITCSY
OUT_TAB STRUCTURE ITCSY.
DATA: COUNT TYPE P VALUE 16.
DATA: W_VALUE(17) TYPE C. "defined as 7 chars to remove pence
DATA: W_CHAR TYPE C.
DATA: W_DUMMY TYPE C.
DATA: W_CURR(3) TYPE C.
* Get first parameter in input table.
READ TABLE IN_TAB INDEX 1.
WRITE IN_TAB-VALUE TO W_VALUE .
* get second parameter in input table
READ TABLE IN_TAB INDEX 2.
MOVE IN_TAB-VALUE TO W_CURR.
IF W_CURR = 'GBP'.
W_CURR = '£'.
ENDIF.
W_LENGTH = STRLEN( W_CURR ).
* look for first space starting at right.
WHILE COUNT > -1.
W_CHAR = W_VALUE+COUNT(1).
* W_CHAR = IN_TAB-VALUE+COUNT(1).
IF W_CHAR = ' '.
COUNT = COUNT - W_LENGTH + 1.
W_VALUE+COUNT(W_LENGTH) = W_CURR.
COUNT = -1.
ELSE.
* W_VALUE+COUNT(1) = W_CHAR.
COUNT = COUNT - 1.
ENDIF.
ENDWHILE.
* read only parameter in output table
READ TABLE OUT_TAB INDEX 1.
OUT_TAB-VALUE = W_VALUE.
MODIFY OUT_TAB INDEX SY-TABIX.
ENDFORM.