how can I wait for revCopyFolder execution?

G. Wolfgang Gaich gwolfgang at gaich.de
Thu Aug 11 10:05:40 EDT 2011


Hello Tiemo,

my test was with a 26GB folder with many, many subfolders. it took 24 
minutes and the script was hold until all folders and files were copied.

Best
Wolfgang

Am 11.08.2011 14:34, schrieb Tiemo Hollmann TB:
> Thanks Mark, I will give it a try.
> @Wolfgang, perhaps the issue, why revCopyFolder didn't waited in my case
> (Mac) is the duration. The copying in my my case lasts about 10 min (8GB).
> Perhaps applescript (which is probably wrapped by the rev command) returns
> the result already after a certain amount of time, as Mark says. Who knows,
> programming sometimes is a myst.
> Tiemo
>
>> -----Ursprüngliche Nachricht-----
>> Von: use-livecode-bounces at lists.runrev.com [mailto:use-livecode-
>> bounces at lists.runrev.com] Im Auftrag von Mark Schonewille
>> Gesendet: Donnerstag, 11. August 2011 14:15
>> An: How to use LiveCode
>> Betreff: Re: AW: how can I wait for revCopyFolder execution?
>>
>> Hi Tiemo,
>>
>> Actually, LiveCode waits until the AppleScript returns a value, indicating
>> successful compilation or failure, but it returns this value before the
>> copying has finished. So, it is a combination of AppleScript returning a
> value
>> early and LiveCode not reading additional results from AppleScript.
>>
>> It is possible to return a value from AppleScript to LiveCode:
>>
>> -- cScript custom prop
>> set x to 1+1
>> return x
>>
>> --inside LiveCode:
>> put the cScript of me into myScript
>> do myScript as AppleScript
>> put the result
>>
>> You could try to return the message instead of running a LiveCode script
>> inside AppleScript and see whether AppleScript waits for the copying to
> finish
>> until it returns that value. The script would look like this (pseudocode):
>>
>> try
>> 	copy
>> on error
>> 	return value
>> end try
>> return different value
>>
>> Other commands that don't wait are open process and IIRC the popup
> command.
>> I'm sure there are a few more but I don't know the entire list by heart.
>>
>> --
>> Best regards,
>>
>> Mark Schonewille
>>
>> Economy-x-Talk Consulting and Software Engineering
>> Homepage: http://economy-x-talk.com
>> Twitter: http://twitter.com/xtalkprogrammer
>> KvK: 50277553
>>
>> What does that error mean? Buy LiveCodeErrors for iPhone now
> http://qery.us/v4
>> A must-have for LiveCode programmers.
>>
>> On 11 aug 2011, at 14:00, Tiemo Hollmann TB wrote:
>>
>>> Hi Mark,
>>> thanks for your quick answer, I will give it a try.
>>>
>>> Because you have another approach I assume that it is a standard
> behavior
>>> with rev commands, that they don't wait?
>>> Up to know I presumed that every command is waiting up to it's end of
>>> execution. Are there more commands, which are not waiting?
>>>
>>> Thanks
>>> Tiemo
>>
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