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MEL Math with Document Variables

MEL, SQL, Oracle

Last Post by Anonymous 1 second ago

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Sam

(@sam)

Posts: 371

Honorable Member

Topic starter

Long ago I built a form that would add numerical values from several document variables and output that information to another document variable or obsterm. I cannot remember how I did it now, though.

Looking for some help from others with sounder minds than mine! 😀

I want to add up the values of several document variables and output into a 'totals' field.

Thanks!

Posted : June 20, 2019 12:46 am

gibsonmi

(@gibsonmi)

Posts: 827

Prominent Member

This is how i do it -
{!fn AddNums(){ local total = 0 local i for i = 1, i <= getnargs(), i = i + 1 do total = total + val(getarg(i)) endfor return total }}

Then I can use it like this (with as many fields as you need) -

{DOCUMENT.TOTAL = AddNums(Document.thing1,document.thing2,obsnow("another value"))}

Posted : June 20, 2019 2:28 am

Lee

(@lee-cooper)

Posts: 348

Reputable Member

Remember to DECLARE the i variable as local otherwise it will be global and risk collision with other global variables named i. 😛

local i

Posted : June 20, 2019 10:03 am

Sam

(@sam)

Posts: 371

Honorable Member

Topic starter

Thank you guys, worked perfectly. Much appreciated!

Posted : June 21, 2019 3:09 am

gibsonmi

(@gibsonmi)

Posts: 827

Prominent Member

Yeah yeah yeah, been there before. It makes troubleshooting fun 🙂

Updated my answer.

Posted : June 21, 2019 3:28 am

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