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How a change a sign of a packed decimal value in a dataset

 
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rohit_raajin

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Joined: 10 May 2005
Posts: 10
Location: india

PostPosted: Tue May 06, 2008 12:35 pm    Post subject: How a change a sign of a packed decimal value in a dataset
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I have a requiremnt as to change the sign of a packed decimal S9(7)V99 where it can have values like -100.23. I need to change the sign of this value to '+100.23'
I have these in a dataset and there are more than 1000 records in it.

Can anyone suggest me how to do this? It would be preferable if we can do this through JCL.
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dick scherrer

Site Director


Joined: 23 Nov 2006
Posts: 19270
Location: Inside the Matrix

PostPosted: Tue May 06, 2008 1:32 pm    Post subject:
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Hello,

Quote:
I have a requiremnt as to change the sign of a packed decimal S9(7)V99 where it can have values like -100.23
If the data actually contains "-100.23", it is not packed decimal. . .
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Frank Yaeger

DFSORT Moderator


Joined: 15 Feb 2005
Posts: 7130
Location: San Jose, CA

PostPosted: Tue May 06, 2008 10:07 pm    Post subject:
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rohit_raajin,

S9(7)V99 is a 4-byte PD value (it does NOT contain the decimal point internally). If you want to change all minus values to plus values, you can use these DFSORT control statements where p is the starting position of the 4-byte PD field:

Code:

    OPTION COPY
    INREC IFTHEN=(WHEN=(p,4,PD,LT,0),
       OVERLAY=(p:p,4,PD,MUL,-1,TO=PD,LENGTH=4))
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