Finding a specific Windows volume

[Richard Miller]

Derek,

Thanks for this function. It did the trick.

Best regards,
Richard Miller



On Feb 4, 2008, at 2:17 PM, Derek Bump wrote:

> Richard,
>
> It sounds to me like you are running into the same basic problems  
> that another user was a while back.  I posted the following  
> solution which avoids the errors with locating files on Windows  
> while avoiding disk errors and system dialogs...
>
> -- Snip --
>
> My solution to the same problem is to check for a volume serial  
> number first, then if there is one, check for the file I'm looking  
> for.  You can do this with the following function...
>
> function GetVolumeSN pDiskLetter
>   local volumeSerialNumber
>   -- Supports both "C", "C:" and "C:\" styles
>   put char 1 of pDiskLetter & ":" into pDisk
>   set the hideConsoleWindows to true
>   put shell("dir " & pDisk) into tDirData
>   get matchText(tDirData,"Volume Serial Number is (.*) 
> \n",volumeSerialNumber)
>   if it is true then
>     return volumeSerialNumber
>   else
>     return empty
>   end if
> end GetVolumeSN
>
> If the function returns a Serial Number, I know a disk is located  
> at that drive letter.  I then do my "if there is a file..." stuff.   
> If the function returns nothing (empty) then I know there is no  
> disk in the drive and I don't check it.
>
> This seems to avoid the whole "no disc" error in Windows XP SP2.  I  
> don't know about other versions... you'll have to test it out.
>
> -- End Snip --
>
> This function was confirmed to work on Vista.  But unless you can  
> specify what errors you are getting, there's not much else I can  
> suggest.  Hope that helps.
>
>
> Derek Bump
> Dreamscape Software
> http://www.dreamscapesoftware.com
>
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>
> Richard Miller wrote:
>> I'm looking for suggestions on how to find out if a specific USB  
>> camcorder is attached to a users computer (Windows only), and if  
>> it is, which volume identifies it. If the camcorder is attached,  
>> there will be a specific directory on it which I can use to help  
>> identify it.
>> Let's say I am looking for a folder called "DCIM" on an attached  
>> USB drive. Doing this on Windows Vista causes all kinds of problems.
>> repeat with i = number of lines of the volumes down to 1
>>    if there is a folder (line i of the volumes & "/DCIM) then
>>       put true into foundit
>>       exit repeat
>>    end if
>> end repeat
>> I'm looking for a better solution.
>> Thanks.
>> Richard Miller
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