Associate a file extension with an application

[Mathias Brodala]

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Hi.

Joe Riel, 23.03.2012 01:45:
> In my case, I'd like to double-click on a Maple worksheet
> (extension .mw) and have it be opened with the Maple application.
> However, a .mw file uses xml formatting, so if I click File ->
> Properties in Thunar and then try to change the application to
> Maple, it wants to associate *all* xml files with Maple.  That is
> not what I want.

You can follow the examples from the xdg-mime[1] tool. Save the
following as mapleprimes-maple.xml:

<?xml version="1.0"?>
<mime-info xmlns='http://www.freedesktop.org/standards/shared-mime-info'>
  <mime-type type="application/maple">
    <comment>Maple worksheet</comment>
    <glob pattern="*.mw"/>
  </mime-type>
</mime-info>

Now run the following command:

xdg-mime install mapleprimes-maple.xml

Now *.mw files are assigned a custom MIME type (application/maple here
according to [2]) and can be assigned a custom default application.


Regards, Mathias

[1] http://linux.die.net/man/1/xdg-mime
[2]
http://www.mapleprimes.com/posts/43616-MIME-Type-For-Automatically-Attached-Worksheets#comment90283
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