Unzip multiple bzip files thru powershell

Hello there-
I have 50 directories. Each directory has 10 sub directories in which there are 300 bz2 files. I would like to unzip them thru bzip program. Is it possible to do so with powershell/batch/cmd line script?
Dir1>Subdir1>*.bz2
      >Subdir2>*.bz2
      >Subdir10>*.bz2
Dir2>Subdir1>*.bz2
      >Subdir2>*.bz2
      >Subdir10>*.bz2
Thanks,
Ben

Hi,
To unzip files, I would like suggest you refer below code, those code is to find all current location zip files and unzip them to the current location:
$shell=new-object -com shell.application
$CurrentLocation=get-location
$CurrentPath=$CurrentLocation.path
$Location=$shell.namespace($CurrentPath)
$ZipFiles = get-childitem *.zip
$ZipFiles.count | out-default
foreach ($ZipFile in $ZipFiles)
$ZipFile.fullname | out-default
$ZipFolder =
$shell.namespace($ZipFile.fullname)
$Location.Copyhere($ZipFolder.items())
If you want to unzip many location files, we could use get-childitem to get all of them and saved in a variable.
For more details, please refer to the below link:
PowerShell script to unzip many files
http://www.techiebirdsnest.com/2009/01/powershell-script-to-unzip-many-files.html
Hope this helps.
Regards,
Yan Li
Yan Li
TechNet Community Support

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# Initially clear screen
clear-host
# Set up initial Paths
$destination = “C:\Users\paul__000\Documents\Test\unzipped"
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$c , $e , $f
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Thanks for the code.
I used it but changed the file and folder locations.
It appeared to work, however in the 2 successive runs of the code, 2 different errors were announced at the PS Console. The errors are shown as follows:
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