Custom Mime File Type Icon in XFCE Thunar

I wanted to associate a custom icon for my old .PSP files in XFCE, but had no clue how.  Thanks to https://unix.stackexchange.com/questions/23776/how-to-change-a-file-type-icon-in-xfce-thunar, I was able to do it easily.

Firstly create a custom icon, then save it into ~/.local/share/icons/.  (Alternatively, with sudo/root access try /usr/share/icons/. For example, mine was ~/.local/share/icons/pspimage.png.

Then create a new mime xml in your user’s ~/.local/share/mime/packages/. For example, mine was ~/.local/share/mime/packages/pspimage.xml. (Alternatively, for system-wide, try /usr/share/mime/packages/.)

Which contained:

<?xml version="1.0"?>
<mime-info xmlns='http://www.freedesktop.org/standards/shared-mime-info'>
  <mime-type type="application/octet-stream">
    <comment>PaintShop Pro Image</comment>
    <glob pattern="*.psp"/>
    <glob pattern="*.pspimage"/>
    <generic-icon name="pspimage"/>
    <icon name="pspimage"/>
  </mime-type>
</mime-info>

Then simply update your system: (Alternatively, as sudo/root, perform same as below in /usr/share/mime/packages/.)
cd ~/.local/share/mime && update-mime-database $PWD

Refresh your Thunar view and viola.

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As always, good luck!

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