Powershell detect if current IP is different than your previous one

IP.ps1

$uri = "https://whatismyip.host/ip4"

$ipv4 = (Invoke-WebRequest -uri $uri).Content

$currentip = "your.current.public.ip4"
$val = $true

:loop while ($val) {
    if($ipv4 -ne $currentip){
        Write-Output "not equal - $ipv4 vs $currentip"
        $val = $false
        [console]::beep(500,300)
        break loop
    }
    else{
        Write-Output "same IP - $ipv4"
        $val = $true
        Start-Sleep -Seconds 500
    }
}

$uri = "https://whatismyip.host/ip4"
#old http://ifconfig.me/ip

$ipv4 = (Invoke-WebRequest -uri $uri).Content

$currentip = "5.29.26.5"
$val = $true
$exists = $false
$powershell = "IP-whitelist\iplist.txt"
$file = Get-Content $powershell

:loop1 while ($val){
$containsWord = $file | %{$_ -match $ipv4}
if ($containsWord -contains $true) {
Write-Output "same IP - $ipv4"
$val = $true
Start-Sleep -Seconds 500
$exists = $true
$val = $true

} else {
    Write-Output "not equal - $ipv4 vs $currentip"
    Set-Clipboard -Value $ipv4
    $exists = $false
    Add-Content $powershell "$ipv4"
    [console]::beep(500,300)
    break loop1
}

}

<#
:loop while ($val) {
if($ipv4 -ne $currentip){
Write-Output "not equal - $ipv4 vs $currentip"
Set-Clipboard -Value $ipv4

    $val = $false
    [console]::beep(500,300)
    break loop
    $currentip = $ipv4
}
else{
    Write-Output "same IP - $ipv4"
    $val = $true
    Start-Sleep -Seconds 500
}

}

#Invoke-RestMethod -Uri ('http://ipinfo.io/'+(Invoke-WebRequest -uri "http://ifconfig.me/ip").Content

#>