gistfile1.txt

#!/bin/sh

set -x

displays() {
    local scale=$1
    echo "HDMI-1=${scale};HDMI-2=${scale};DP-1=${scale};DP-2=${scale};eDP-1=${scale};"
}

case $HOSTNAME in
    # host1 has a 4k display
    hos1.example.com )
        kwriteconfig5 --file ~/.config/kcmfonts --group General --key forceFontDPI 192
        kwriteconfig5 --file ~/.config/kdeglobals --group KScreen --key ScaleFactor 2
        kwriteconfig5 --file ~/.config/kdeglobals --group KScreen --key ScreenScaleFactors $(displays 2)
        kwriteconfig5 --file ~/.config/startupconfig --key kdeglobals_kscreen_screenscalefactors $(displays 2)
        kwriteconfig5 --file ~/.config/startupconfig --key kcmfonts_general_forcefontdpi 192
        ;;
    # all my other hosts have a 2k display
    * )
        kwriteconfig5 --file ~/.config/kcmfonts --group General --key forceFontDPI 0
        kwriteconfig5 --file ~/.config/kdeglobals --group KScreen --key ScaleFactor 1
        kwriteconfig5 --file ~/.config/kdeglobals --group KScreen --key ScreenScaleFactors $(displays 1)
        kwriteconfig5 --file ~/.config/startupconfig --key kdeglobals_kscreen_screenscalefactors $(displays 1)
        kwriteconfig5 --file ~/.config/startupconfig --key kcmfonts_general_forcefontdpi 0
        ;;
esac

case $HOSTNAME in
    * )
        kwriteconfig5 --file ~/.config/powermanagementprofilesrc --group AC --group DPMSControl --key idleTime 600
        ;;
esac