I developed a report in Web Focus, but I want to change the column titles to display different dates. I used Dialogue Manager to create a variable and this uses a dateadd function. When I subtract days from a given date, it's not giving me the correct date. Instead, it looks at the date as an integer when doing the dateadd function.

Example:
-SET &DAY23= DATEADD(&YYMD,'D',-6);
-SET &DAY22= DATEADD(&YYMD,'D',-13);
-SET &DAY21 = DATEADD(&YYMD,'D',-20);
-SET &DAY20 = DATEADD(&YYMD,'D',-27);
DEFINE FILE SQLOUT
day23t/YYMD='&DAY23';
day22t/YYMD=' &DAY22';
day21t/YYMD=' &DAY21';
day20t/YYMD=' &DAY20';

END
TABLE FILE SQLOUT
PRINT
day20 AS '&DAY20'

day21 AS '&DAY21'
day22 AS '&DAY22'
day23 AS '&DAY23'
.
.
.

The output looks like this:
20080681 20080686 20080703 20080710

It should look like this:
20080619 20080626 20080703 20080710

Any suggestions?

Winnie

The DATEADD function requires an input string in Date format. You have to use the DATECVT to first convert to Date format, then use DATEADD, then use DATECVT to convert back to alphanumeric string.

-SET &CDATE2 = DATECVT((DATEADD((DATECVT(&TODAY, 'I8YYMD', 'YYMD')), D, -6)), 'YYMD', 'I8YYMD');

It's easier to use the "Legacy" Date function AYMD to add/subtract a number of days:

-SET &DT1 = AYMD(&YYMD,-6,'I8YYMD');

Thanks, Francis! This answered my question. I tried using the AYMD function, but didn't have quotes in the third parameter...My next question is can we truncate the year in the column title after that...instead of showing 20080710, I'd like it to display as 0710?

Winnie

The quickest method would be to use EDIT:

-SET &DT1 = AYMD(&YYMD,-6,'I8YYMD');
-SET DT1X = EDIT(&DT1,'$$$$9999');
-TYPE &DT1 &DT1X

Winnie...welcome to the Forum. Please go in and update your signature with which version you are running. Thanks

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