Hex2String & String2Hex

hex-to-string.ps1

if (!$args[0]) {
  Write-Host "Please enter content"
  exit
}
$hexStr = $args[0].toString()
$bytes = @()
for($i = 0; $i -lt $hexStr.length; $i += 2) {
  $e = $hexStr[$i] + $hexStr[$i + 1]
  $bytes += [System.Convert]::ToByte($e, 16)
}
[System.Text.Encoding]::Default.GetString($bytes)

parse-mdc-file.ps1

if (!$args[0]) {
    Write-Host "please enter data directory"
    return
}
Get-ChildItem -Path $args[0] -Force -Name | ForEach-Object { 
    $name = ($_ -split '\.')[1]
        hex-to-string.ps1 $name
 } | Select-Object -Unique

string-to-hex.ps1

if (!$args[0]) {
    Write-Host "Please enter content"
    exit
}
$str = $args[0].toString()
$hex = [System.BitConverter]::ToString([System.Text.Encoding]::Default.GetBytes($str))
$hex -replace "-",""