Function CD04([string]$url)
{
  [string]$filename = Split-Path ([uri]$url).LocalPath -leaf

  [string]$_pwd = Get-Location

  [string]$save_path =  "$_pwd\$filename"

  echo $url
  echo $save_path

  Invoke-WebRequest $url -OutFile $save_path
}

Set-Alias -Name wget -Value CD04