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Is it possible to set the app that displays the QuickLook preview in OS X?

I'm developing iOS apps and I have Xcode installed, but when I open the QuickLook preview of a Source-Code file, the preview uses the iA Writer, which I have also installed but the "Open with" button un the top right corner shows Xcode.

Info: I'm using a MacBook Air, Late 2010, OS X 10.9.2

Ql with iA Writer

If I uninstall iA Writer it looks like this

no IA writer

Question:

How do I tell the Quick Look NOT to use the iA Writer (without having to uninstall it)?

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  • what is the question here? you want to change the open with? or something else?
    – Ruskes
    Apr 18, 2014 at 9:26
  • The question is if it is possible to set the program used for the preview in QuickLook
    – lukas
    Apr 18, 2014 at 9:28
  • So the QL correctly identifies the file and displays it using the QL plug in for it!, You do not like the display ? What does the iA write has to do with it? What app do you want to open with QL?
    – Ruskes
    Apr 18, 2014 at 9:45
  • I want it not to use iA Writer for the preview. If I uninstall iA Writer, it looks like this: dl.dropboxusercontent.com/s/ejo7ifvdvospqto/…
    – lukas
    Apr 18, 2014 at 9:48
  • when you RIGHT click on the Open with, what options do you see ?
    – Ruskes
    Apr 18, 2014 at 10:35

3 Answers 3

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qlmanage

Use the command line tool qlmanage to investigate your QuickLook set up, including the default generator for each file format.

qlmanage -- Quick Look Server debug and management tool

Apple's QuickLook developer documentation provides a good overview of how QuickLook works and how to test specific plugins.

Editing the iA Writer QuickLook Plugin

You may want to edit the iA Writer QuickLook plugin to disassociate it from your .h and .m files. See QuickLook file associations for more information about achieving this.

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This answer is coming a lot later, but I had to figure this out for myself. Go to where Writer is located

  1. Go to where Writer is located. /Applications/
  2. Right click and show package contents
  3. Enter Library
  4. Delete QuickLook
  5. Restart your computer or enter into command line qlmanage -r
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Try this

  1. select the file and press cmd+I.
  2. Then under "Open with" select the application you want to open in QuickLook.
  3. And then press the "Change All..." button
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  • This only changes the application that opens the file when you doubleclick on it, it doesn't affect the QuickLook Plugin.
    – lukas
    Apr 19, 2014 at 16:30
  • This does not change the quicklook, as asked. Furthermore, it changes the application that opens the extension, which was not asked for.
    – Robino
    Nov 16, 2020 at 20:35

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