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Kymber
Member
posted
I am trying to do a date comparision to see how many days have elapsed.
I have on date called FSTSTDT that is in format HYYMD
I have another date called CURRDATE that is in format YYMD

How do I convert FSTSTDT to YYMD so I can subtract the two dates from each other?

I already tried setting FSTSTDT to a new variable called
FDATE/YYMD = FSTSTDT
and this doesn't work.

Suggestions?
 
Posts: 18 | Registered: February 18, 2008Report This Post
jimster06
Guru
posted Hide Post
In the upper right hand of this screen, you can click on Search the Technical Documentation Library. Search for HDATE.

There is also a very good book available about date handling.

HTH


jimster06
DevStu WF 7.6.11
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Posts: 252 | Location: USA | Registered: April 15, 2003Report This Post
Francis Mariani
Expert
posted Hide Post
Here's a quick example on how to convert a HYYMD date to YYMD using the HDATE function:

-SET &ECHO=ALL;

-SET &CURR_DATE = &YYMD;
-SET &CURR_TIME = EDIT(HHMMSS('A8'),'99$99$99');

-SET &CURR_DTTM = &CURR_DATE | &CURR_TIME;

DEFINE FILE CAR
CURR_DATE/HYYMD WITH MODEL = HINPUT(14, '&CURR_DTTM', 8, 'HYYMD');
END

TABLE FILE CAR
PRINT
CURR_DATE           

COMPUTE CURR_YYMD/YYMD = HDATE(CURR_DATE, 'YYMD'); 
WHERE RECORDLIMIT EQ 1
END
-RUN

(The DEFINE in this program simply creates a HYYMD date, since there is no real date field in the CAR file)
quote:
The HDATE function converts the date portion of a date-time value to the date format YYMD. You can then convert the result to other date formats.


Francis


Give me code, or give me retirement. In FOCUS since 1991

Production: WF 7.7.05M, Dev Studio, BID, MRE, WebSphere, DB2 / Test: WF 8.1.05M, App Studio, BI Portal, Report Caster, jQuery, HighCharts, Apache Tomcat, MS SQL Server
 
Posts: 10577 | Location: Toronto, Ontario, Canada | Registered: April 27, 2005Report This Post
Kymber
Member
posted Hide Post
quote:
Francis



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Posts: 2588 | Location: Toronto, Ontario, Canada | Registered: April 27, 2005

Ignored post by Francis Mariani posted February 20, 2008 02:41 PM Show Post

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Thank You Francis! The HDATE did what I was looking for. I suppose I could have used HDIFF as well. Correct?
 
Posts: 18 | Registered: February 18, 2008Report This Post
Kymber
Member
posted Hide Post
Thank You Francis! The HDATE did what I wanted. I suppose I could have used the HDIFF as well. Correct?

Thanks again
 
Posts: 18 | Registered: February 18, 2008Report This Post
Francis Mariani
Expert
posted Hide Post
quote:
HDIFF Returns the number of units of a specific date-time component between two date-time values.

You would have to use HDTTM to convert CURRDATE to HYYMD before using HDIFF.

Something like:

DT2/HYYMD = HDTTM(CURRDATE, 8, 'HYYMDIA');
DIFF_DAYS/D8 = HDIFF(DT2, FSTSTDT, 'DAY', 'D8');


Francis


Give me code, or give me retirement. In FOCUS since 1991

Production: WF 7.7.05M, Dev Studio, BID, MRE, WebSphere, DB2 / Test: WF 8.1.05M, App Studio, BI Portal, Report Caster, jQuery, HighCharts, Apache Tomcat, MS SQL Server
 
Posts: 10577 | Location: Toronto, Ontario, Canada | Registered: April 27, 2005Report This Post
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