hexdump output in powershell

Print-HexDump.ps1

Param($byteArray);

function print_prettystring($value)
{
    $final = ""
    for($i=0; $i -lt $value.Count; $i++)
    {
        if($value[$i] -gt 31 -and $value[$i] -lt 127)
        {
            $final += [char]$value[$i]
        }
        else
        {
            $final += "."
        }
    }
    $final
}

function print_hexdump($value)
{
    $x = 0
    $h = ""
    for($i = 0; $i -lt $value.Count; $i++)
    {
        
        if ($i % 16 -eq 0)
        {
            if ($i -gt 0)
            {
                $h +=" |"
                $h += print_prettystring $value[($i -16) .. ($i-1)]
                $h +="|`n"
            }
            $h += "{0:x8}" -f $i 
            $h += "  "   
        }
            $h +="{0:X2}" -f $value[$i] 
            $h += " "
    }
    if ($value.Count % 16 -gt 0)
    {
        for ($j=($i % 16); $j -lt 16; $j++)
        {
            $h += "   "
        }
        $h +=" |"
        $h += print_prettystring $value[($i - ($i % 16)) .. ($i-1)]
        $h +="|`n"
    }
    if ($value.Count % 16 -eq 0)
    {
        $h += " |"
        $h += print_prettystring $value[($value.Count - 16) .. ($value.Count -1)]
        $h += "|`n"
    }
    $h += "{0:x8}" -f $value.Count
    $h
}

#Example:
print_hexdump $byteArray