Bash Function To Create Desktop Shortcuts

Shortcuts are located in three places
/usr/share/applications/intellij.desktop for all users
a folder in the home dir for a given user
~/Desktop to see the shortcut on the desktop

Format is
 [Desktop Entry]
 Version=13.0
 Type=Application
 Terminal=false
 Icon[en_US]=/home/rob/.intellij-13/bin/idea.png
 Name[en_US]=IntelliJ
 Exec=/home/rob/.intellij-13/bin/idea.sh
 Name=IntelliJ
 Icon=/home/rob/.intellij-13/bin/idea.png

The function looks like this:

function add_a_shortcut() {
  APP=$1
  ICON=$2
  EXEFILE=$3
  EXEC="bash -ic \"$EXEFILE &\""
  SHORTCUT="/usr/share/applications/$APP.desktop"
  USERSHORTCUT="/home/vagrant/Desktop/$APP.desktop"
  if [ -e "$EXEFILE" ]; then
    sudo touch $SHORTCUT $USERSHORTCUT
    sudo chmod 777 $SHORTCUT $USERSHORTCUT
    echo "[Desktop Entry]" | tee $SHORTCUT $USERSHORTCUT
    echo "Encoding=UTF-8" | tee -a $SHORTCUT $USERSHORTCUT
    echo "Comment=Launch $1" | tee -a $SHORTCUT $USERSHORTCUT
    echo "Type=Application" | tee -a $SHORTCUT $USERSHORTCUT
    echo "Terminal=false" | tee -a $SHORTCUT $USERSHORTCUT
    echo "Exec=$EXEC" | tee -a $SHORTCUT $USERSHORTCUT
    echo "Name=$APP" | tee -a $SHORTCUT $USERSHORTCUT
    echo "Icon=$ICON" | tee -a $SHORTCUT $USERSHORTCUT
   
    sudo chmod 644 $SHORTCUT
    sudo chown root:root $SHORTCUT
    sudo chown vagrant:vagrant $USERSHORTCUT
    echo "INFO: Created $SHORTCUT $USERSHORTCUT"
  else
    echo "ERROR: Failed to create $SHORTCUT $USERSHORTCUT"
  fi
}

EXAMPLE USAGE
add_a_shortcut aggregation-designer /opt/pentaho/design-tools/aggregation-designer/aggregation-designer.app/Contents/Resources/pad.icns /opt/pentaho/design-tools/aggregation-designer/startaggregationdesigner.sh