Does 'export image to file' give any warnings?

[gpb01]

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
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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

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