diff -r bd48c6dd24d3 chirpw.bat
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/chirpw.bat	Sat Feb 07 20:31:27 2015 +0100
@@ -0,0 +1,49 @@
+@PowerShell -Command Invoke-Expression $([String]::Join([char] 10, (Get-Content '%~f0') -notmatch '^^@PowerShell.*EOF$')) & pause & goto :EOF
+
+function is_win64() {
+    return [IntPtr]::size -eq 8
+}
+
+function get_32bit_software_node() {
+	if (is_win64) {
+		return "HKLM:\SOFTWARE\Wow6432Node\"
+	}
+
+	return "HKLM:\SOFTWARE\"
+}
+
+function get_python_path([string]$version) {
+	$softNode = get_32bit_software_node
+	$basePath = "???"
+
+	try {
+		$regKey = Get-Item -erroraction stop -path "$softNode\Python\PythonCore\$version\InstallPath"
+		$installKey = Get-ItemProperty -path $regKey.PsPath
+		$basePath = $installKey.'(default)'
+	} catch {
+		throw "Unable to detect an installation of Python $version (32-bit)"
+	}
+
+	if (!(Test-Path $basePath)) {
+		throw "Windows' registry specified a non-existant folder for Python $version ($basePath)"
+	}
+
+	return $basePath
+}
+
+function get_python_executable([string]$version) {
+	$base = get_python_path($version)
+	$exec = "$base\python.exe"
+	if (Test-Path $exec) {
+		return $exec
+	}
+	throw "Unable to find the executable of Python $version in folder specified in the system registry ($base)"
+}
+
+function run_chirpw() {
+	$pyexec = get_python_executable("2.7")
+	echo "Running $pyexec chirpw"
+	& $pyexec "chirpw"
+}
+
+run_chirpw