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How can I open all files of a certain type with a specific application? For instance, MacVim?

Selecting open with --> other --> select MacVim and checking "always open with" works for individual files but how can I always open files of a certain type with MacVim?

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It would be more useful to others if you edited your question to not mention your specific text editor, or only as an example. – Daniel Beck Feb 26 '11 at 7:33
Done. Thank you! – Derek Swingley Feb 26 '11 at 21:15
up vote 1 down vote accepted

Open the Get Info dialog of the file (in the File menu, or Cmd-I, or in the context menu). Then select to open with MacVim and click the Change all… button just below the application selection popup menu.

enter image description here

Use RCDefaultApp (a System Preferences pane) to have greater control of file types.

If you want to control which application handles files without extension, see this answer of mine.

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The "Get Info" option works, thanks! – Derek Swingley Feb 26 '11 at 7:38

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