I've written an AppleScript app that I use to open certain files with (it sends them to Vim in the Terminal).

I'd like to set all my .Tex files to automatically open with this app. The problem is this changes the files icons to the blank file icon.

Is there a way to change the app's icon? In other apps I use (non-AppleScript apps) I know how to "change" this icon by replacing it in foo.app/contents/resources but in my app there is no icon there yet.

Is it possible to add one?

2 Answers 2


See this answer and this answer of mine on SuperUser, where I explain how to create new or edit existing file types, including icons.


You can create an icon file named droplet.icns inside the app package inside foo.app/Contents/Resources/.

  • yes this changes the droplet icon (which can be done using "get info") but doesn't change the icons of the files that are to be opened with this app. (I set the "open with" default for these file to my app)
    – romeovs
    Apr 5, 2011 at 20:41
  • Oh, okay, I didn't read your original question closely enough. Sorry about that. I'm guessing you'll need to create a document-based AppleScript Studio app at a minimum or more likely an AppleScriptObjC document-based app so that you get a custom file type. That might be more work than you want to put into this.
    – Stephan
    Apr 5, 2011 at 21:14
  • Ok how would I go about this?
    – romeovs
    Apr 6, 2011 at 10:29
  • I've not jumped into AppleScriptObjC yet. It's on my To Do list... So, I'm afraid I can't give you any concrete assistance.
    – Stephan
    Apr 6, 2011 at 15:42

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