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Mac Forum / Country Specific / Australian Mac Group / September 2005



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Finder adding hidden files

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Ian - 17 Sep 2005 01:39 GMT
Hi

I imported a CD which had 10 songs on it into iTunes 4.9 and just had the files named as
something like:

01 Track 01.mp3
02 Track 02.mp3

etc, etc.

When I went into the folder where the mp3 files were, there were 10 mp3 files as expected.
I then connected my flash based mp3 player to the usb port and copied the 10 mp3 files
from the Mac to the mp3 player.
When I was playing back the mp3 files on the mp3 player, the player's lcd screen said there
were 20 songs, but when I played the songs back it would only play 10 of them.
I then connected the mp3 player to my PC running Windows XP and saw that for every mp3
file there was also a hidden (ghost) file that was less than 1KB.

i.e..
01 Track 01.mp3  (about 4MB)
._01 Track 01.mp3 (less than 1KB)

02 Track 02.mp3  (about 5MB)
._02 Track 02.mp3 (less than 1KB)

et, etc.

So for every proper mp3 file there was also a smaller file of less than 1KB with an "._" at the front
of the files name.

I know that Finder also adds ".DS_Store" files to every folder that I open on the flash drive, and also a
".Trashes" folder and a "501" folder, but to create ghost files of every file I copy to the flash drive is crazy.

Is there any way I can get Finder to stop adding these hidden files on my flash drive, I'm using Panther 10.3.9.

Cheers
Ian
Rifty - 17 Sep 2005 06:21 GMT
> Is there any way I can get Finder to stop adding these hidden files on my
> flash drive, I'm using Panther 10.3.9.

I had the same problems with mp3s copied from the Mac - it's the way it
stores some of the data. I don't know if it was the cause of it, but in
the end I was unable to use the mp3 player standalone to play mp3s, even
when I took the mp3 player to the PC and zapped the DS Store files.

I wish Mac would devise some other way to store information about files
- they certainly didn't do it this way with the older operating systems.

It doesn't help you... but at least you know it annoys someone else too!

Rifty
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Old Joe - 17 Sep 2005 15:20 GMT
> I wish Mac would devise some other way to store information about files
> - they certainly didn't do it this way with the older operating systems.

The method of storing extended data in files beginning with a period has
been around for decades in Unix systems (which is what OS X is based
on).  Perhaps the question should be why Microsoft (which used to
produce Xenix - a Unix clone) doesn't bother providing file naming
compatibility with a massively popular OS which was around years before
they were.
Rifty - 19 Sep 2005 05:40 GMT
> Perhaps the question should be why Microsoft (which used to
> produce Xenix - a Unix clone) doesn't bother providing file naming
> compatibility with a massively popular OS which was around years before
> they were.

Agreed. It's a very good question!

Rifty
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David Wallace - 17 Sep 2005 14:24 GMT
> Is there any way I can get Finder to stop adding these hidden files on my
> flash drive

Get FinderCleaner from MacUpdate and use it (drag and drop) to remove
the crud. I use a flashdrive between Macs and PCs all the time and it
works fine with FinderCleaner - have it in my dock.

Dave.
Rifty - 19 Sep 2005 05:40 GMT
> Get FinderCleaner from MacUpdate and use it (drag and drop) to remove
> the crud. I use a flashdrive between Macs and PCs all the time and it
> works fine with FinderCleaner - have it in my dock.

What bothers me about using these sorts of programs is that I may lose
something important in the DS_Store file.  I seem to remember at one
stage that flash drives where those files had been removed had directory
problems when reinserted into the Mac - but that issue may have been
resolved by now.

Rifty
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Ian - 19 Sep 2005 21:31 GMT
> > Is there any way I can get Finder to stop adding these hidden files on my
> > flash drive
[quoted text clipped - 4 lines]
>
> Dave.

Dave
Downloaded FinderCleaner and now have it in my Dock, when I drag my flash
drive to it, it does delete all the resource files etc, but when I click to eject the
flash drive it comes up with the error "The variable thePassword is not defined"
and it doesn't eject from within FinderCleaner, so I have to then eject the flash drive
from the desktop (which then adds the DS_Store file to the root directory on the flash
drive again).

Searching the net, it seems that there are a lot of people who have the same error.

Cheers
Ian
David Wallace - 20 Sep 2005 13:52 GMT
> drive to it, it does delete all the resource files etc, but when I click
> to eject the flash drive it comes up with the error "The variable
> thePassword is not defined" and it doesn't eject from within
> FinderCleaner, so I have to then eject the flash drive from the desktop
> (which then adds the DS_Store file to the root directory on the flash
> drive again).

Yes, it's a script error which I imagine Tim will clean up soon.

It does delete all the crud apart from that root directory one though,
and I seem to remember a note on Macupdate's reviews pages about how to
eject it to avoid getting even that one. I can live with a single
ds_store so I haven't bothered about it. The flashdrive I use has about
50 directories on it (it's a mirror of the PC user directories) and it
used to be full of rubbish until I started using Findercleaner. I
haven't had any problems with it so far.

Dave.
Rifty - 22 Sep 2005 07:46 GMT
> Searching the net, it seems that there are a lot of people who have the
> same error.

As I said in my other posting, removing those files can cause problems.
Looks like that hasn't really been resolved.

Rifty
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