Graham Samuel-4 wrote
>
> I'm using 'export image' to put an image into a file without invoking a
> 'save' dialog - this is what my user wants. However, I can't see any
> obvious way of knowing that the new image has the same name has an
> existing one and would therefore overwrite it. I set up a button that does
>
> on mouseUp
> put the defaultFolder into temp
> export img "ThePic"to URL ("binfile:" & temp &"/meagain.jpg") as JPEG
> put "it= " &&"; result="&&(the result)
> end mouseUp
>
> However may times I do this, I always get the file "meagain.jpg" with no
> indication of any difference between the first and subsequent invocations.
>
> Obviously I can search the directory myself to look for the recurrence of
> the file name, and I guess that's what I'm going to do,but I wondered if
> anyone knows if this form of statement in LC produces any kind of error
> message and if so, how one can detect it. After all, any kind of 'write
> file' operation can fail.
>
> TIA
>
> Graham
> _______________________________________________
> use-livecode mailing list
> use-livecode@.runrev
> Please visit this url to subscribe, unsubscribe and manage your
> subscription preferences:
> http://lists.runrev.com/mailman/listinfo/use-livecode
>
Hi Graham,
perhaps I did not understand well your question, but why you don't test for
the existence of the file before the export ?
You can just use : if there is a file temp &"/meagain.jpg" then ...
... and decide what to do ... :)
Guglielmo
--
View this message in context:
http://runtime-revolution.278305.n4.nabble.com/Does-export-image-to-file-give-any-warnings-tp4331049p4331120.html
Sent from the Revolution - User mailing list archive at Nabble.com.
_______________________________________________
use-livecode mailing list
use-livecode@lists.runrev.com
Please visit this url to subscribe, unsubscribe and manage your subscription
preferences:
http://lists.runrev.com/mailman/listinfo/use-livecode
