Re-2: u3: where to store data?

[runrev260805 at m-r-d.de]

Hi,

it seems that the application just lives in the u3p file on the stick. After starting the app from launchpad it is copied to the
folder 

c:\Documents and Settings\user\Application Data\U3\u3stickid\programid\Exec

Try it your self. Just rename the U3P file for any of the installed apps on the u3 stick and run it from launchpad. You will get an errormessage like this "An error has occurred whily trying to launch the selected program.
Renaming it back, will let you run it again. If you have startefd the application already on the stick, renaming won´t produce the error message, as the application was already copied to c:\documents... . In this case you have to eject and reconnect the stick, as this deletes the content of the U3 folder on C.

The app resides in c:\Docuemtns and Settings....  until the stick is removed by clicking the eject button in launchpad. Clicking eject runs a tool

c:\Documents and Settings\user\Application Data\U3\temp\cleanup.exe 

, which removes the content of the U3 folder on C, except the temp folder.


So if you have an autoupdate function built in your app, why not adding the new app into the u3p file. It´s an zipcompressed format.

Regards,

Matthias
-------- Original Message --------
Subject: Re: u3: where to store data? (30-Aug-2006 4:20)
From:    chipp at chipp.com
To:      runrev260805 at m-r-d.de

> Thanks Malte! I'm looking to find the folder where the application
> lives on the U3 drive...Did you find an ENVIRONMENT VARIABLE for that?
> 
> Thanks again,
> Chipp
> 
> On 8/29/06, Malte Brill <revolution at derbrill.de> wrote:
> > > I, too, want to WRITE to a specific folder on U3 drive (not a default
> > > documents directory). Let us know if you learn anything.
> >
> > Hi all (and specially Chipp),
> >
> > here is what I found with help from the mothership (thanks Marcus)
> >
> > on mouseUp
> >    put $U3_APP_DATA_PATH into tPath
> >    replace "\" with "/" in tPath
> >    put "/test.txt" after tPath
> >    put "this is a test" into URL ("file:"&tPath)
> >    answer the result & cr & URL ("file:"&tPath) & cr & there is a
> > file tPath & cr & tPath
> > end mouseUp
> >
> > This way the data ends up in the /app/data folder on the u3 drive.
> > Somehow it failed when I used "file://" no idea why.
> >
> > Another script that I find handy is this (which I wrote in my
> > frustration about the meager specs)
> >
> > on mouseUp
> >    repeat for each item theItem in the globals
> >      if "U3" is in theItem then
> >        put theItem && value (theItem) & cr after allU3Vars
> >      end if
> >    end repeat
> >    put allU3Vars
> > end mouseUp
> >
> > Interesting what one can find out about the drive. ;-)
> >
> > Hope this is of any help,
> >
> > Malte
> >
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