CLI Method to Change Application & Set Default:

mimeopen -d Recipes.pdf

Please choose a default application for files of type application/pdf

1) GIMP Image Editor (gimp)
2) Adobe Reader 9 (AdobeReader)
3) Document Viewer (evince)
4) Other…

use application #4
use command: pdfedit

mimeopen --ask Recipes.pdf

Please choose an application

1) pdfedit (pdfedit-usercreated-2)
2) GIMP Image Editor (gimp)
3) Adobe Reader 9 (AdobeReader)
4) Document Viewer (evince)

use application #

[Desktop Entry]
Name=Master PDF Editor 4
Comment=Edit PDF files
Exec=/opt/master-pdf-editor-4/masterpdfeditor4 %f
Path=/opt/master-pdf-editor-4
Terminal=false
Icon=/opt/master-pdf-editor-4/masterpdfeditor4.png
Type=Application
Categories=Office;Graphics;
MimeType=application/pdf;application/x-bzpdf;application/x-gzpdf;