Build 2015 Video Downloader

BuildDownload.ps1

# Insert code here to change to directory where you wish to download videos if you so desire
[Environment]::CurrentDirectory=(Get-Location -PSProvider FileSystem).ProviderPath
$a = ([xml](new-object net.webclient).downloadstring("http://s.ch9.ms/Events/dotnetConf/2015/RSS/mp4high"))
$a.rss.channel.item | foreach{  
  	$url = New-Object System.Uri($_.enclosure.url)
	
	$file = "- " + $_.creator + " - " + $_.title.Replace(":", "-").Replace("?", "").Replace("/", "-").Replace("<", "").Replace("|", "").Replace('"',"").Replace("*","")
	$file = $file.substring(0, [System.Math]::Min(120, $file.Length))
	$file = $file.trim()
	
	$OutFile = New-Item -type file "$file.txt" -Force  
	$Content = ""
	$Content = $_.title.trim() + "`r`n" + $_.summary.trim()
	add-content $OutFile $Content
	
	$file = $file+".mp4"
	"Downloading: " + $file 
	if (!(test-path $file))
	{
	  $wc = (New-Object System.Net.WebClient)  
	  $wc.DownloadFile($url, $file)
	}
}