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Home > Archive > dBASE Programming > May 2005 > Re: VIN check digit
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Re: VIN check digit
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| news.alldbase.com wrote:
> I'm trying to take a vechicle ID number and calculate the check digit to
> make sure it is a real VIN. But my results never seem to match the check
> digits. This isn't rocket science and should be easy. I just can't get it
> right. Here are a couple of references, although the web is full of them.
> http://www.angelfire.com/ca/TORONTO/VIN/checkdigit.html
> http://www.dmcnews.com/Techsection/vindecoder.html
> http://www.vehicleidentificationnum...
ent.html
> There is even a php version here
> http://www.phpbuilder.com/snippet/d...=snippet&id=892
> And still I can't get anything to work.
> One example of my code is below. I know I must be doing something stupid...
You were checking the wrong value. below is copied from the website.
Below that is my correction.
Glenn Fausel
# The resulting products are summed.
# The total is divided by 11.
# The check digit is the remainder. If the remainder is 10 then the
check digit is X (Roman numeral 10).
cd = mod(nCheck,11)
? val(cCheckDigit) == iif(cd< 10,cd,"X")
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