Update Download-Channl9VideosFromRSS.ps1

Author: skycommand

Download/Download-Channl9VideosFromRSS.ps1

@@ -8,10 +8,15 @@ Param (
     $DownloadFolder = '.\'
 )
 
+# Open the specified download folder
 Push-Location $DownloadFolder
 
+# Initialize the downloader
 $WebClient = New-Object System.Net.WebClient
 
+# Download the RSS
+# If the download failed, throw the error into the user's face and stop the script.
+# That's not an awfully polite thing to say, but that's what "throw" implies.
 Write-Output 'Downloading RSS feed...'
 try {
     $RSSWebObject = ([xml]($WebClient).downloadstring($RssUrl))
@@ -25,6 +30,7 @@ $counter=0;
 foreach ($item in $RSSWebObject.rss.channel.item) {
     $counter++
 
+    # Channel 9 isn't perfect. Some RSS feeds are missing an enclosure or a URL.
     if ($null -eq $item.enclosure.url) {
         Write-Output $('{0:D2}: No URL found)' -f $counter)
         continue