Thanks Richard
I just included your handler in my test stack and it returned "can't open
file(32)"
- very useful indeed. I didn't think about sysError being used in that way
- message to self - must spend more time reading the dictionary! :)
On 15 January 2011 23:37, Richard Gaskin <ambassa...@fourthworld.com> wrote:
> Ian McKnight wrote:
>
> Thanks for the advice David. I went back and checked. As I still had the
>> text file open in Excel when I was trying to import it into LC the file
>> must
>> have been locked in some way by Excel - as soon as I closed the file in XL
>> it worked perfectly. Makes perfect sense really.
>>
>> I think I'll start writing down my gaffs down in a notebook to try and
>> save
>> time in future :)
>>
>
> Why write them down when you can have LiveCode write them for you? :)
>
> If you check "the result" after a command is run, a non-empty value will
> usually contain an error string.
>
> If you also include a call to the sysError function, you get the system's
> error code to guide you to the specifics of the error.
>
> And if you include all that in a handler call, you only need to write it
> once, e.g.:
>
> on SomeHandler
> ...
> put url ("file:"& tMyExportedDataFile) into tData
> Err the result
> ...
> end SomeHandler
>
> on Err s
> if s is not empty then
> put sysError() into tSysError
> answer "An error occured: "& s &"(" &tSysError& ")"
> exit to top
> end if
> end Err
>
>
> --
> Richard Gaskin
> Fourth World
> LiveCode training and consulting: http://www.fourthworld.com
> Webzine for LiveCode developers: http://www.LiveCodeJournal.com
> LiveCode Journal blog: http://LiveCodejournal.com/blog.irv
>
>
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--
Regards
Ian McKnight
iangmckni...@gmail.com
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