EDIT: This only appears to work in Mojave: in Catalina, there's some code-signing fatal crash.
Substitute the app's binary inside its bundle for a hard link to the binary of the app you want to open the file. Select that app as the default for the file type.
#Mac change default app for file extension mac
By default, your Mac will open it with TextEdit, Apple’s built-in simple text-editing app. Create a new application in Xcode that contains the icon resources for the file type. getUTIs Returns a list of all known UTIs, and their default handler. RTF file and want to change which app it opens in. getSchemes Returns a list of all known URI schemes, accompanied by their default handler. getApps Returns a list of all registered applications. getHandler Returns the default application registered for the URI Scheme or you specify. You can do a check on the current set apps by running this (swda cli in /bin): /usr/local/bin/swda - getUTIs you do not have permission to open the application microsoft powerpoint mac Right-click on a file that uses the file type youd like to change the default. docx is associated with Microsoft Word by default. docx, Microsoft Word opens up and that’s because the extension name. For example, when you double-click a file with.
#Mac change default app for file extension code
I want to change the default file association from code upon selecting one of the applications from the above call. You then issue the command to swiftdefaultsapps cli (rolled out to /bin folder in this case) to set Excel to open csv files: /usr/local/bin/swda - setHandler -app /Applications/Microsoft Excel.app/ -UTI ma-separated-values-text Most files in Windows are associated with a specific program, based on their extension names, assigned to open the file by default. I have the list of the applications for given file extension (using LSCopyApplicationURLsForURL). Click the file type or protocol that you want the program to act as the default for. csv: kMDItemContentType "ma-separated-values-text" This gives you the correct interpreter for the filetype you are trying to set.Įxample for. I run this command first to determine the appropriate file attribute : mdls /path/to/file Took me a while to figure this out but changing the filetype needs to be based on the correct attribute information.
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