[Gambas-user] Comparing 2 pictures

[Werner]

richard terry wrote:
> Hi all,
>
> i wondered if anyone could tell me how to comparea picture1 to picture 2 and 
> tell if they were different (ie one had been changed in some way?
>
> thanks in anticipation.
>
> Richard
>
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If they are supposed to be identical and the size matches maybe md5sum?