Mac Os 9 Extensions
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Mac Os X Change Default Application For File Extension

In creating some.mov files using Cocoa (Obj-C), I'd like to set them to be opened by default by a specific program, instead of the default. This should be a file level property, I do not wish to change the default program for all files with the same extension. Default editor for files without file name extension in Mac OS X. Ask Question. Up vote 24 down vote favorite. Is there a way to do this with defaults write instead of downloading third party software? – ma11hew28 Jan 20 '11 at 5:29. Mac OS X: Change default Name when connecting to server.

In the Mac OS it is possible to change the default program the operating system will use to open a file when you double-click on it. After you have changed this file association, though, you may. Back in the pre-Mac OS X and macOS days, Apple’s System 9 and earlier relied on hidden metadata to associate files with apps. File extensions, those bits of text that follow a period at the end.

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I'd like to see if there is a way to set the Default Application to open a file without extensions on Mac OS X.

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Let me give an example-

Anyone who has used Vagrant has seen a Vagrantfile. It has no extension. If anything, it could be considered a Ruby script, but it isn't named like one. When clicking on 'Get Info' the Kind is listed as a TextEdit Document. TextEdit is actually the last thing I want opening it, since it has actually added fancy quotations in the past in the place of standard quotations from code editors/IDE's, rending my code useless. If I use the 'Change All' command inside the 'Get Info' window, an error will come up telling me it doesn't have enough information to change the default Application for similar files. It will set the default application for that Vagrantfile, but not all of them. I end up having to set them all in a folder by folder, file by file basis.

I'd like to make it so that every time I open a Vagrantfile, my code editor of choice (in this case, Brackets), is used to open it. There are other examples as well. Some config files and scripts also have this problem, but Vagrantfile was the easiest example, and the one I come across most. I can't change all TextEdit documents to open in my code editor, because then regular TextEdit files like ReadMe's and such will open in my code editor, slowing me down by opening my IDE/editor when I don't need it loaded up.

So does anyone have any ideas? Is there any way to write a script that tells the OS that anytime I open a file called 'Vagrantfile' or 'default' or 'config',etc. to open it in my code editor of choice?

Thanks guys,

P.J.

Peter John JosephPeter John Joseph

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Uninstalling software under Mac OS X is generally a straightforward procedure — just delete the program from the Applications folder. Few vendors offer uninstallers on the Mac, and generally they’re not necessary. Most programs don’t run background components or alter system settings files (like the Registry on Windows), and leaving old preferences and support files on the hard drive generally doesn’t do much harm.

But if you are trying to remove an old or corrupt component, reinstall software to change a serial number, or just free up disk space, removing all components of the old application can be important. These components include the application itself, preferences and support items, and sometimes hidden files or kernel extensions. Anyone who’s had problems installing an Adobe CS application or removing Symantec AntiVirus will appreciate how hard it can be to fully remove old software.

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Applications

Be default, Mac OS X software is stored in the Applications folder on your hard drive. Most programs are single icons (iTunes, Firefox), while others contain one or more folders full of items (Adobe Acrobat, Microsoft Office). You can also occasionally find applications on the desktop, if dragged there during installation or moved from the Applications folder.

Drag the program’s icon or folder to the Trash to begin the uninstall process. If you are not the user who originally installed the software, or your are not an admin user on your Macintosh, you will need to enter an administrator’s name and password to continue.

Note: the icon for most programs is actually a bit of an illusion. What you’re seeing on the hard drive is an application package, a folder full of items including the executable program code and supporting files. When a package is labelled with the .app extension, it appears as a single, launchable icon in the Finder. If you’re curious whats inside, right-click (or control-click) on the icon and select Show Package Contents.

Preferences and Application Support Files

There are two locations on your hard drive, both named Library, where programs store their preferences and supporting files. The first Library is at the top level of your hard drive, the second is inside your Home Folder. Removing items from both these locations is necessary to completely uninstall software.

Start with the Top Level Library on your hard drive /Library. You are looking to remove any files or folders which contain the name of the program (Acrobat, Word) or the vendor (Adobe, Microsoft) in their names. Search the following locations:

/Library
/Library/Application Support
In these two locations you’re looking for non-Apple folders full of items: Adobe, Microsoft, etc.
/Library/Preferences
Inside Preferences you may find single files, folders full of items – Adobe, Microsoft – along with .plist documents usually starting with com – com.Adobe.Acrobat.plist, com.microsoft.Word.plist
/Library/LaunchAgents
/Library/LaunchDaemons
/Library/PreferencePanes
/Library/StartupItems
Most software does not use LaunchAgents, Preference Panes or Startup Items, but some things do, particularly items which control system behavior or keep background processes running

Next, remove any similarly named items you find inside the User Library inside your Home Folder ~/Library in the same set of folders:

~/Library
~/Library/Application Support
~/Library/LaunchAgents
~/Library/Preferences
~/Library/PreferencePanes
~/Library/StartupItems

For the vast majority of applications that’s all you need to remove. Empty the Trash to complete the process. If you get a message that an item is “in use and can’t be dele

Mac Os X Default Program For Extension