batファイル内のPowerShell内のJScript.NET（≒JavaScript）プログラムを動かす

helloworld_powershell_jscn.bat

@powershell -NoProfile -ExecutionPolicy Unrestricted "$s=[scriptblock]::create((gc \"%~f0\"|?{$_.readcount -gt 1})-join\"`n\");&$s" %*&goto:eof

# http://qiita.com/cd01/items/82829ba0ec0f59e1b04d
# http://winscript.jp/powershell/221

Param($argBat)

$src = @'
static function helloFunc(arg) {
  var msg = "hello " + arg + " world";
  Console.WriteLine(msg);
  return msg;
}
'@
$JScNet = (Add-Type -Language JScript -MemberDefinition $src -Name "JScNet" -PassThru)[1]
$helloResult = $JScNet::helloFunc($argBat)

Write-Output -InputObject $helloResult

exit 0