#!/bin/sh # set system dpi to the minimal dpi among all connected monitors xrandr | awk ' $2 == "connected" && $3 == "primary" { if (match($0, / ([0-9]+)x([0-9]+)\+([0-9]+)\+([0-9]+) (left|right)?/, m1) && match($0, / ([0-9]+)mm x ([0-9]+)mm$/, m2)) { DPI=m1[1]*25.4/m2[m1[5]?2:1] printf "Xft.dpi: %i", DPI } } ' | xrdb -merge nitrogen --restore