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author's profile photo Former Member
Former Member

Operators: Or/And

In my logic I do not want to send a message out when the doc types DO NOT EQUAL either 'AB' 'AN' 'ICLP' 'LU'.

I always get confused betweeen 'OR' and 'AND'

My logic: Is it right? Is there a better way to write the code?

if i_ekko-bsart NE 'AB' or

i_ekko-bsart NE 'AN' or

i_ekko-bsart NE 'ICLP' or

i_ekko-bsart NE 'LU'.

MESSAGE E054(ZS) WITH 'Message out here'

endif.

Thank-You

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  • Best Answer
    author's profile photo Former Member
    Former Member
    Posted on Jan 31, 2008 at 04:35 AM

    Hi,

    OR:

    can be used to check whether any of the conditions are true.

    ie.,

    ... log_exp1 OR log_exp2 OR log_exp3 ...

    Effect

    If you link multiple logical expressions log_exp with OR, then a new logical expression is created which is true if at least one of the logical expressions log_exp is true. Only if all logical expressions are false, then the link is false as well.

    AND:

    can be used to check whether all the conditons are satisfied.

    ... log_exp1 AND log_exp2 AND log_exp3 ...

    Effect

    The linking of several logical expressions log_exp with AND forms a new logical expression that is true when all logical expressions log_exp are true. If one of the logical expressions is false, then the link is also false.

    You have used the right logic

    Regards,

    Renjith Michael.

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  • Posted on Jan 30, 2008 at 11:16 PM

    Hello Tom

    I get confused, too, if the conditions become too complex. Therefore I try to convert the logic and get rid of NOT conditions.

    In your case the condition is: "If the doc type equals either of the following types:... then send a message."

      IF ( i_ekko-bsart = 'AB'     OR
            i_ekko-bsart = 'AN'   OR
            i_ekko-bsart = 'ICLP'    OR
            i_ekko-bsart = 'LU' ).
        MESSAGE E054(zs) WITH 'Wrong doc type' .
     ELSE.
    ...
     ENDIF.
    
    

    Regards

    Uwe

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