Video settings

#!/bin/bash

var=$(xrandr | grep 'VGA1 connected')

if [ -n "$var" ] ; then
 xrandr --output VGA1 --primary 
 xrandr --output LVDS1 --off 
else
 xrandr --primary LVDS1 
fi

1:/home/me$ xrandr 
Screen 0: minimum 320 x 200, current 2400 x 1920, maximum 8192 x 8192
DisplayPort-2 connected (normal left inverted right x axis y axis)
   1920x1200      60.0 +
   1920x1080      60.0     50.0     59.9     24.0     24.0  
   1920x1080i     60.1     50.0     60.0  
   1600x1200      60.0  
   1280x1024      75.0     60.0  
   1152x864       75.0  
   1280x720       60.0     50.0     59.9  
   1440x576i      50.1  
   1024x768       75.1     60.0  
   1440x480i      60.1     60.1  
   800x600        75.0     60.3  
   720x576        50.0  
   720x480        60.0     59.9  
   640x480        75.0     60.0     59.9  
   720x400        70.1  
DisplayPort-3 connected primary 1200x1920+1200+0 left (normal left inverted right x axis y axis) 519mm x 320mm
   1920x1200      60.0*+
   1600x1200      60.0  
   1280x1024      75.0     60.0  
   1152x864       75.0  
   1024x768       75.1     60.0  
   800x600        75.0     60.3  
   640x480        75.0     60.0  
   720x400        70.1  
DVI-1 connected 1200x1920+0+0 left (normal left inverted right x axis y axis) 518mm x 324mm
   1920x1200      60.0*+
   1920x1080      60.0  
   1600x1200      60.0  
   1680x1050      59.9  
   1280x1024      60.0  
   1280x960       60.0  
   1024x768       60.0  
   800x600        60.3  
   640x480        60.0  
   720x400        70.1  
DisplayPort-1-0 disconnected
DisplayPort-1-1 disconnected

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