Q. How can I use Windows PowerShell to update a file's media tags?

John Savill

May 13, 2008

1 Min Read
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A. When I recently reviewed my music library, I found I had a lot of music videos, which I'd used the naming format -.wmv. I also found that the files' media tags were blank, so if I tried to view the videos with Windows Media Player (WMP), I would just see blank names. I wanted to automate the media tag population in PowerShell through the filename but couldn't work out how to update the title and performer media tags.

Then I ran across a tag library at developer.novell.com/wiki/index.php/TagLib_Sharp that allows access to various languages' media tags. I downloaded the tag library and saved it to my computer. Then I wrote the code

cd "D:MultimediaFilmMusic Videos"
foreach ($f in dir)
$mediafile = [TagLib.File]::Create(“D:MultimediaFilmMusic Videos” + $f.ToString())
$splitName = $f.Name.Split(”-.")
write-host $splitname[0] $splitname[1]
$mediafile.Tag.Title = $splitname[0] + "-" + $splitname[1]
$mediafile.Tag.Performers = $splitname[0]

to parse my music-video folder files and populate the tags accordingly. Obviously, you can change how the script works and what it populates, but this script will give you a good start. You need to modify the script's first line (at minimum) to show where you saved the taglib DLL.

Once I executed the script, all my media files' title and performer tags were populated.

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