xrandr scripts to configure fractional scaling and multi-monitors setups (work in X only)

gistfile1.txt

#!/bin/bash

# Builtin display (1440p)
xrandr --output eDP-1 --fb 3840-x2160 --auto --scale 1.5x1.5

-------------------------------------------------------------

#!/bin/bash

# Dual monitor (dual external 1080p)
xrandr --output HDMI-1 --auto --scale 1x1 \
       --output HDMI-2 --auto --scale 1x1 --post 1920x0

-------------------------------------------------------------

#!/bin/bash

# Triple (builtin 1440p + 2x 1080p external)
xrandr --output eDP-1 --fb 5760x1080 --mode 1920x1080 --scale 1x1 \
       --output DP-1 --scale 1x1 --post 1920x0 \
       --output HDMI-2 --post 3840-0