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Remove the dot extension from folder names Desktop
Sometimes I'd download some file that, after unzipping, will create a folder named something like coolapp 1.2. I often rename the folders to my liking, so I'd click on the folder's name in the Finder and rename it to something like coolappfolder. However, the Finder would try to keep the .2 file extension, and would return the folder's new name as coolappfolder.2. This didn't seem right to me, so I tried a few more times, and sure enough, the Finder would always keep the dot.X extension.

So, here's the hint ... rather than making a new folder called coolappfolder and moving the contents of the coolappfolder.2 into it, you can simply use Get Info (Command-I), and rename the folder in the Name & Extension field. Voila! The silly folder extension is gone gone dot gone.

[robg adds: In testing, I couldn't replicate this issue, but I'm not sure which version of OS X the poster is using, so perhaps this affects something other than 10.4.7.]
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Remove the dot extension from folder names | 9 comments | Create New Account
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Remove the dot extension from folder names
Authored by: jrphelps on Jul 20, '06 10:06:47AM

I had this problem, too, and it took me forever to figure out how to get rid of it. Never thought to submit it as a hint.



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Remove the dot extension from folder names
Authored by: aaronrp on Jul 20, '06 10:09:38AM

Yes, on my 10.4.7 system it doesn't seem to happen. I thought it was an issue as to whether "Show all file extensions" was turned off in the Finder, but that doesn't make any difference, apparently.



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Remove the dot extension from folder names
Authored by: Lou Kash on Jul 21, '06 04:33:35AM

It doesn't happen initially and possibly it also depends on installed applications on your system.

On my system, while *.1 - *.9 extensions are not assigned to any application, *.0 seems to be assigned to MacHacha (a utility to split and join files). So, if I add .0 to a folder I'll see a warning and I can then only remove the extension via the Get Info window.

After I have changed a folder extension a couple of times on the same folder, and at least once included .0, suddenly any other number extension like Folder.2 will stick as well. That looks like a bug to me.
But it doesn't show only with number extensions, of course; any other *.xy will stick on that folder as well unless you remove it in Get Info.

While I already knew about the Get Info way, I think this is a very good hint because it's not obvious and it seems to be a workaround for a possible OS X bug.



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Remove the dot extension from folder names
Authored by: Lou Kash on Jul 21, '06 04:35:23AM

I forgot to mention that I'm using OS 10.4.7 (PPC).



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Remove the dot extension from folder names
Authored by: topsnark on Jul 20, '06 12:18:23PM

That's odd. Since 10.4 the OS always prompts me whether I want to change an extension, be it on a file or a folder, unless I am removing one from a folder. In that case it lets me do it without a dialog box popping up at all.

I always set the Finder to display all extensions. I've never had it prevent me from changing an extension entirely. To my recollection, before 10.4 there were no restrictions at all.

The hint I'd like to see is how to get rid of this entirely. All these restrictions are to stop innocent/ignorant/stupid users from delinking files from their applications.



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Remove the dot extension from folder names
Authored by: pecosbill on Jul 20, '06 02:03:06PM
The finder HIDES the extension by default when the user removes it on the icon. This was done to keep anal people from removing them and then emailing them to the other 80% of the world that has to have them.

Direct manuipulation is done in Get Info as the hint shows.

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Pecos Bill

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Remove the dot extension from folder names
Authored by: kel on Jul 21, '06 10:00:33AM

The issue I was referring to here was specific to FOLDER names. Not files, Applications etc, that generally use the extensions in some fashion. For the life of me I don't know of a reason (other than the user "wants to") that there would need to be a DOT extension on a Folder.



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Remove the dot extension from folder names
Authored by: topsnark on Jul 21, '06 02:05:41PM

I can field this one. Because the extension is ".app" and the folder has the 'package' flag set. In other words: its an application.



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Remove the dot extension from folder names
Authored by: macgruder on Jul 22, '06 11:24:27PM

Perhaps a user developing a website would have

/www/vhosts/mydomain.com/htdocs



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