Veeeeery crude pw reset script

reset-pw.ps1

function Export-UserToCsV
{
    Get-ADUser -filter * -Properties *| select samaccountname,description | export-csv .\userlist.csv -NoTypeInformation
}

function Get-Password([int]$Length)
{
    if($Length -gt 0)
    {
        $Alphabet = @("0","1","2","3","4","5","6","7","8","9",":",";","<","=",">","?","!","A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z","_","a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z")
        
        for($i=1;$i -le $Length;$i++)
        {
            $Password += $Alphabet | Get-Random    
        }

        return($Password)
    }
}


function Set-AllPasswords
{
        param(
        [Parameter(Mandatory=$true)]
        [ValidateScript({Test-Path $_})]
        [string]$CSVPath,

        [Parameter(Mandatory=$true)]
        [ValidateScript({-not (Test-Path $_)})]
        [string]$OutFile
    )

    $userlist = import-csv $CSVPath
    $targetuser = $userlist | ? {$_.samaccountname -ne "krbtgt"}
    Set-Content -Value "user,password" -Path $OutFile -Force
    if($targetuser)
    {
       Write-Warning ("Resetting " + $targetuser.count + " passwords. Are you sure?")
       Read-Host
       foreach($user in $userlist)
       {
            $Password = Get-Password -Length 20
            $SecurePassword = ConvertTo-SecureString $Password -AsPlainText -Force
            Set-ADAccountPassword -Identity $user.samaccountname -NewPassword $SecurePassword -Reset
            
            $outstring= $user.samaccountname + ',"' + $Password + '"'
            $outstring | Add-Content -path $OutFile
            $outstring

       }

    }
}