[Koha] I am trying to pull the ISBN out of the UPC on the back of the book! So I will

[COURYHOUSE at aol.com]

I am trying to pull the ISBN out of the UPC on the back of the book! So I 
will need to also drop the first 3 chars also. 
Ed!

> The last digit of an isbn is a check digit.
> Your barcode reader is probably programmed to drop it before 
> transmission to computer.
> Most readers can be parametered to send or drop check-digits.
> 
> -- 

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