REGEDIT4

[HKEY_CLASSES_ROOT\.rtf]
@="Linux.RTF"

[HKEY_CLASSES_ROOT\Linux.RTF]
@="Rich Text Format"

[HKEY_CLASSES_ROOT\Linux.RTF\shell]

[HKEY_CLASSES_ROOT\Linux.RTF\shell\open]

[HKEY_CLASSES_ROOT\Linux.RTF\shell\open\command]
@="cmd /c start /unix /home/tobias/bin/startTextMakerFromWine.sh %1"