powershell script to change device pixel density and font scale through shortcuts (target: pwsh -command "& 'C:\..\density.ps1' +")

density.ps1

$param = $args[0]

$density_output = adb shell wm density
$matches = ([regex]'\d+').Matches($density_output)
$current_density = [int] $matches[$matches.size - 1].Value

if ($param -eq "-") {
    adb shell wm density ($current_density - 50)
} elseif ($param -eq "+") {
    adb shell wm density ($current_density + 50)
} else {
    adb shell wm density reset
}

font_scale.ps1

$param = $args[0]

$current_font_scale = [float] (adb shell settings get system font_scale)

if ($param -eq "-") {
    adb shell settings put system font_scale ($current_font_scale - 0.15)
} elseif ($param -eq "+") {
    adb shell settings put system font_scale ($current_font_scale + 0.15)
} else {
    adb shell settings put system font_scale 1
}