Shell script for switching monitors with dmenu and xrandr

setmonitor.sh

#!/bin/sh

xrandroutput=$(xrandr -q)
monitors=$(echo "$xrandroutput" | grep "connected" | awk '{ print $1 }')
activemonitors=$(echo "$xrandroutput" | grep " connected " | awk '{ print $1 }')
numofactivemonitors=$(echo "$activemonitors" | wc -l)
options="single\nmanual" && [ "$numofactivemonitors" -gt 1 ] && options="single\nextend\nduplicate\nmanual"

monitorsingle() {
        monitorto=$(echo "$activemonitors" | dmenu -r -p "select monitor:") &&
        chooseres=$(echo "$xrandroutput" | awk -v monitor="$monitorto" '/connected/{p=0} p{print $1} $0 ~ monitor{p=1}' | dmenu -r -p "select resolution:") &&
        xrandr --output "$monitorto" --primary --mode "$chooseres" $(echo "$monitors" | grep -v "$monitorto" | awk '{print "--output", $1, "--off"}' | paste -sd ' ' -) &&
        feh --bg-fill --no-fehbg ~/.config/wallpapers/wallpaper.jpg
}

monitorduplicate() {
        monitorone=$(echo "$activemonitors" | dmenu -r -p "select 1st monitor:") &&
        monitortwo=$(echo "$activemonitors" | grep -v "$monitorone" | dmenu -r -p "select 2nd monitor:") &&
        oneres=$(echo "$xrandroutput" | awk -v monitor="$monitorone" '/connected/{p=0} p{print $1} $0 ~ monitor{p=1}') &&
        twores=$(echo "$xrandroutput" | awk -v monitor="$monitortwo" '/connected/{p=0} p{print $1} $0 ~ monitor{p=1}') &&
        chooseres=$(echo "$twores" | grep -F -x "$oneres" | dmenu -r -p "select resolution:") &&
        xrandr --output "$monitorone" --primary --mode "$chooseres" --output "$monitortwo" --mode "$chooseres" --same-as "$monitorone" $(echo "$monitors" | grep -v -e "$monitorone" -e "$monitortwo" | awk '{print "--output", $1, "--off"}' | paste -sd ' ' -) &&
        feh --bg-fill --no-fehbg ~/.config/wallpapers/wallpaper.jpg
}

monitorextend() {
        monitorone=$(echo "$activemonitors" | dmenu -r -p "select 1st monitor:") &&
        oneres=$(echo "$xrandroutput" | awk -v monitor="$monitorone" '/connected/{p=0} p{print $1} $0 ~ monitor{p=1}' | dmenu -r -p "select 1st monitor resolution:") &&
        monitortwo=$(echo "$activemonitors" | grep -v "$monitorone" | dmenu -r -p "select 2nd monitor:") &&
        twores=$(echo "$xrandroutput" | awk -v monitor="$monitortwo" '/connected/{p=0} p{print $1} $0 ~ monitor{p=1}' | dmenu -r -p "select 2nd monitor resolution:") &&
        dir=$(echo -e "left\nright\nabove\nbelow" | dmenu -r -p "position to 1st monitor:") &&
        xrandr --output "$monitorone" --primary --mode "$oneres" --output "$monitortwo" --mode "$twores" --"$dir"$([ "$dir" = "left" ] || [ "$dir" = "right" ] && echo "-of") "$monitorone" $(echo "$monitors" | grep -v -e "$monitorone" -e "$monitortwo" | awk '{print "--output", $1, "--off"}' | paste -sd ' ' -) &&
        feh --bg-fill --no-fehbg ~/.config/wallpapers/wallpaper.jpg
}

option=$(echo -e "$options" | dmenu -r -p "display mode:")
case "$option" in
        single)
                monitorsingle ;;
        extend)
                monitorextend ;;
        duplicate)
                monitorduplicate ;;
        manual)
                arandr ; exit ;;
esac