X/xrandr-exttomirror

   1 #!/bin/sh
   2
   3 set -e
   4
   5 MAIN=$(xrandr | grep eDP | cut -f1 -d" ")
   6 if [ "${MAIN}" = "" ]; then
   7         echo "Could not find main display."
   8         exit 1
   9 fi
  10
  11 OTHER=$(xrandr | grep "\<connected\>" | grep -v eDP | cut -f1 -d" ")
  12 if [ "${OTHER}" = "" ]; then
  13         echo "Could not find external display."
  14         exit 1
  15 fi
  16
  17 echo "Set ${MAIN} as mirror of ${OTHER}"
  18
  19 xrandr --output ${OTHER} --auto --output ${MAIN} --same-as ${OTHER} --primary