Display Script

.display.sh

#/bin/bash
oldDisplays=""

while [[ 1 ]]
  do
    displays=$(xrandr | grep " connected" | sed -e "s/\([A-Z0-9]\+\) connected.*/\1/")

    if [[ $displays == $oldDisplays ]]
      then
        sleep 1
        continue
    fi

    active=$(xrandr | grep -e " connected [^(]" | sed -e "s/\([A-Z0-9]\+\) connected.*/\1/")
    #primary=$(xrandr| grep -e " primary [^(]" | sed -e "s/\([A-Z0-9]\+\) connected.*/\1/")
    #connected=$(echo $displays | wc -w)

    #echo "Displays: " $displays
    #echo "Active: " $active
    #echo "Primary:" $primary

    oldDisplays=$displays
    #echo "Display switch detected."

    killall conky 2&> /dev/null

    # External, HDMI + VGA
    if [[ $active =~ "HDMI1" && $active =~ "VGA1" ]]
      then
        $(xrandr --output "eDP1" --off)
        $(xrandr --output "VGA1" --auto)
        $(xrandr --output "HDMI1" --primary --auto)
    # External, HDMI
    elif [[ $active =~ "HDMI1" ]]
      then
        $(xrandr --output "eDP1" --off)
        $(xrandr --output "VGA1" --off)
        $(xrandr --output "HDMI1" --primary --auto)
    # External, VGA
    elif [[ $active =~ "VGA1" ]]
        then
          $(xrandr --output "eDP1" --off)
          $(xrandr --output "VGA1" --primary --auto)
          $(xrandr --output "HDMI1" --off)
    # Only one internal
    elif [[ $active =~ "eDP1" ]]
        then
          $(xrandr --output "eDP1" --primary --auto)
          $(xrandr --output "VGA1" --off)
          $(xrandr --output "HDMI1" --off)
    fi

    conky -c /home/eos/.conkyrc 2&> /dev/null

    sleep 1
done