ARCH Add print list of desktop file.

arch/listOfdesktop.sh

+for i in *; do if [ $i != mnt ] ; then echo $i; sudo find $i -name "*.desktop" ;fi; done
+
+# use: xdg-mime query default application/pdf  : to detect defalut
+# use: xdg-mime default org.pwmt.zathura.desktop application/pdf  : to set defalut
+# use: xdg-mime default org.pwmt.zathura.desktop application/pdf  : to set defalut
+# update-desktop-database
+# xdg-mime query filetype ~/Documents
+