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 FileMaker Pro Custom Functions

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ValidCode ( Code ; Type )

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  Average rating: 4.2  (29 votes)
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Klaus-Dieter Brügmann, kade project
http://www.kade-project.de

Calculates the check number of various types of codes

Sample Input:
ValidCode ( 978078973028 ; "ISBN" )
Sample Output:
2


 Then copy & paste into FileMaker Advanced's Edit Custom Function window.

Description:

ValidCode calculates the checknumber of 13 digit codes like EAN 13 ( European Article Number ), ISBN 13 (International Standard Book Number), ISSN 13 (International Standard Serial Number), of 12 digit code UPC A (Universal Product Code) and also of the 8 digit codes EAN 8 and UPC E. If you leave the parameter "Type" empty or input is "ISBN" or "ISSN" it calculates the check number of a 13 digit code.

Note: these functions are not guaranteed or supported by BrianDunning.com. Please contact the individual developer with any questions or problems.

This is my Custom Function and I want to edit it

Discuss:

How do you custom edit this function to work with my table?

Grace, Melbourne
September 16, 2013 6:47pm

This function trips an Error in FileMaker 13. Code is not permitted as a parameter name. I had to rename this parameter before I could define the funciton in my database.

PhilModJunk, Modesto
January 07, 2014 4:25pm

Hi,

is there any update for the newer Filmmaker versions?

I have also the problem with type in filemaker 14

Many thanks

Lars, Hagen / Germany
July 02, 2017 3:30pm

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