RE: Date Validation

Here's another way to get the "Date_out" from the test program below.

Date_out = %uns(%char(%date(Date_in:*usa):*iso0));

This works for 05/07/2012 and 5/7/2012.

Paul Prudhomme


-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Jeff Young
Sent: Wednesday, May 30, 2012 8:26 AM
To: RPG programming on the IBM i / System i
Subject: Re: Date Validation

Thanks Paul.
I used your solution and it works great.
Another tool in my toolbox.




On Wed, May 30, 2012 at 10:05 AM, Morgan, Paul <Paul.Morgan@xxxxxxxxxxx>wrote:

Jeff,

Convert the single digit months and days to two digits:

1) Check for / in position 2 and add a leading zero to convert to two
digit months.
2) Check for / in position 5 and insert a leading zero at position 4
to convert to two digits days.

Now all dates are in mm/dd/ccyy format and should pass through your
conversion routine.

Paul Morgan

Principal Programmer Analyst
IT Supply Chain/Replenishment

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx]
On Behalf Of Jeff Young
Sent: Wednesday, May 30, 2012 8:51 AM
To: rpg400-l@xxxxxxxxxxxx
Subject: Date Validation

All,
I have an application that needs to validate and convert a date from
an external system.
The format of the date can be m/d/ccyy,mm/d/ccyy,m/dd/ccyy,mm/dd/ccyy
with the "/" included.
The converted format needs to be a numeric field in the format ccyymmdd.

I have the following code in my program:
<snip>

// Edit Start Date

Monitor;

EpHOrDate = %Dec(%Date(Start_Date : *USA));

On-Error;

Load_Exception ('Start date is not a valid date');

EndMon;

// Edit Invoice Date

Monitor;

EpHInDate = %Dec(%Date(Invoice_Date : *USA));

On-Error;

Load_Exception('Invoice date is not a valid date');

EndMon;

</snip>
Where Start_Date and Invoice_Date are defined as 256A Varying and
EpHOrDate and EpHInDate are defined as 8p 0.

For values of 5/7/2012 for order date and 5/14/2012 for invoice date,
the code above rejects the order date, but accepts the invoice date.

I created a small test program to check the date editing process.
H Debug
D Date_in S 256A Varying
D Date_Out S 8 0
D Err S N
/Free
Monitor;
Date_Out = %Dec(%Date(Date_In : *USA)); On-Error;
Err = *On;
EndMon;

Return;

Using the values above, I set Date_In in DEBUG prior to the Monitor to
each of the dates.
BOTH of the dates were flagged as errors.

A. What am I doing wrong?
B. How can I handle the different date formats for editing and conversion?

The client is on V6R1M1

Thanks,

--
Jeff Young
Sr. Programmer Analyst
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Sr. Programmer Analyst
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