Hello,

I am new on Ubuntu LInux. I just installed pdfshuffler.
I do not really understand what to do.

I opend the defaults.list but how to add the right line for right-click Open With...

Here my defaults.list

[Default Applications]
application/csv=libreoffice-calc.desktop
application/excel=libreoffice-calc.desktop
application/msexcel=libreoffice-calc.desktop
application/msword=libreoffice-writer.desktop
application/ogg=rhythmbox.desktop
application/oxps=evince.desktop
application/pdf=evince.desktop
application/postscript=evince.desktop
application/rtf=libreoffice-writer.desktop
application/tab-separated-values=libreoffice-calc.desktop
application/vnd.lotus-1-2-3=libreoffice-calc.desktop
application/vnd.ms-excel=libreoffice-calc.desktop
application/vnd.ms-word=libreoffice-writer.desktop
application/vnd.ms-xpsdocument=evince.desktop
application/vnd.rn-realmedia=totem.desktop
application/vnd.sun.xml.base=libreoffice-base.desktop
application/vnd.sun.xml.calc=libreoffice-calc.desktop
application/vnd.sun.xml.calc.template=libreoffice-calc.desktop
application/vnd.sun.xml.draw=libreoffice-draw.desktop
application/vnd.sun.xml.draw.template=libreoffice-draw.desktop
application/vnd.sun.xml.math=libreoffice-math.desktop
application/vnd.sun.xml.writer=libreoffice-writer.desktop
application/vnd.sun.xml.writer.template=libreoffice-writer.desktop
application/vnd.sun.xml.writer.global=libreoffice-writer.desktop
application/vnd.oasis.opendocument.database=libreoffice-base.desktop
application/vnd.oasis.opendocument.formula=libreoffice-math.desktop
application/vnd.oasis.opendocument.graphics=libreoffice-draw.desktop
application/vnd.oasis.opendocument.graphics-template=libreoffice-draw.desktop
application/vnd.oasis.opendocument.presentation=libreoffice-impress.desktop
application/vnd.oasis.opendocument.presentation-template=libreoffice-impress.desktop
application/vnd.oasis.opendocument.spreadsheet=libreoffice-calc.desktop
application/vnd.oasis.opendocument.spreadsheet-template=libreoffice-calc.desktop
application/vnd.oasis.opendocument.text=libreoffice-writer.desktop
application/vnd.oasis.opendocument.text-template=libreoffice-writer.desktop
application/vnd.oasis.opendocument.text-web=libreoffice-writer.desktop
application/vnd.oasis.opendocument.text-master=libreoffice-writer.desktop
application/vnd.sun.xml.impress=libreoffice-impress.desktop
application/vnd.sun.xml.impress.template=libreoffice-impress.desktop
application/vnd.stardivision.calc=libreoffice-calc.desktop
application/vnd.stardivision.draw=libreoffice-draw.desktop
application/vnd.stardivision.impress=libreoffice-impress.desktop
application/vnd.stardivision.math=libreoffice-math.desktop
application/vnd.stardivision.writer=libreoffice-writer.desktop
application/mspowerpoint=libreoffice-impress.desktop
application/vnd.ms-powerpoint=libreoffice-impress.desktop
application/vnd.wordperfect=libreoffice-writer.desktop
application/wordperfect=libreoffice-writer.desktop
application/vnd.openxmlformats-officedocument.wordprocessingml.document=libreoffice-writer.desktop
application/vnd.openxmlformats-officedocument.wordprocessingml.template=libreoffice-writer.desktop
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet=libreoffice-calc.desktop
application/vnd.openxmlformats-officedocument.spreadsheetml.template=libreoffice-calc.desktop
application/vnd.openxmlformats-officedocument.presentationml.slide=libreoffice-impress.desktop
application/vnd.openxmlformats-officedocument.presentationml.slideshow=libreoffice-impress.desktop
application/vnd.openxmlformats-officedocument.presentationml.presentation=libreoffice-impress.desktop
application/vnd.openxmlformats-officedocument.presentationml.template=libreoffice-impress.desktop
application/x-123=libreoffice-calc.desktop
application/x-abiword=abiword.desktop
application/x-applix-spreadsheet=libreoffice-calc.desktop
application/x-ar=file-roller.desktop

kind regards
Ronny