Difference between revisions of "Powershell"

Revision as of 08:48, 7 August 2009

GUI IDE

A useful Powershell GUI IDE (with debugger) is available at http://powergui.org/

Recursive delete of files

get-childitem . -include *scc,bin,obj -recurse | foreach ($_) {remove-item -recurse -force $_.fullname}

Periodically poll a website and log response times

$url="http://xml.weather.yahoo.com/forecastrss?p=10036"
$web = new-object system.net.webclient
$datetime = new-object system.datetime
$log = "log.txt"
while (1) {
 $start = [DateTime]::Now
 $zz = $web.DownloadString($url)
 $end = [DateTime]::Now
 $duration = $end - $start
 "" + [DateTime]::Now + ": Duration " + $duration  >> $log
 sleep 60
}

Parse Enterprise Architect XML Files in a directory

## An example script that will look at all the xml files
## in the specified directory, assume they are valid 
## Enterprise Architect export files, and try to list
## the names of all the packages in each file
param(
 $folderPath = $(throw 'folderPath must be supplied')
)
$xmlFiles = (resolve-path "$folderPath\*.xml")
foreach ($xmlFile in $xmlFiles) {
	$xmlFile = $xmlFile.Path
	$xmlDoc = new-object system.xml.xmldocument
	$xmlDoc.Load($xmlFile);
	$nsMgr = New-Object system.xml.XmlNamespaceManager  $xmlDoc.get_NameTable()
	$nsmgr.AddNamespace("UML", "omg.org/UML1.3")
	if ($xmlDoc.XMI) {
		$packages = $xmlDoc.XMI.SelectNodes("//UML:Package", $nsMgr)
		if ($packages.Count -gt 0) {
			Write-Host $xmlFile ":"
			foreach ($package in $packages) {
				Write-Host $package.name
			}
		}
	}
}