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Former Member
Oct 23, 2005 at 06:26 AM

difference between funtion module and pre define function in abap

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HI,

CAN ANY ONE TELL ME WHAT IS DIFFERENCT BETWEEN FUNCTION MODULE AND

PREDEFINE FUNCITON IN ABAP.

IN ORDER TO EXPLAIN U MY QUESTION I WILL GIVE U AN EXAMPLE OF COUNTING

THE NUMBER OF CHARACTERS IN A STRING

THE FUNCITON MODULE FOR THIS OPERATION IS

CALL FUNCTION 'STRING_LENGTH'

EXPORTING

STRING =

  • IMPORTING

  • LENGTH =

AND THE PREDEFINE FUNCTION FOR THIS OPERATON IS

STR_LEN = STRLEN( STRING ).

I WANT TO KNOW WHAT IS DIFFERNECE BETWEEN ABOUT TWO FUNCTIONS

note: the fm itself is using that predefine function and it is allowing us to use the predefine funtion also.

regards,

MAQSOOD