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Unzip a file in powershell by overwriting existing files
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function Unzip($zipfile, $outdir) | |
{ | |
Add-Type -AssemblyName System.IO.Compression.FileSystem | |
$archive = [System.IO.Compression.ZipFile]::OpenRead($zipfile) | |
foreach ($entry in $archive.Entries) | |
{ | |
$entryTargetFilePath = [System.IO.Path]::Combine($outdir, $entry.FullName) | |
$entryDir = [System.IO.Path]::GetDirectoryName($entryTargetFilePath) | |
#Ensure the directory of the archive entry exists | |
if(!(Test-Path $entryDir )){ | |
New-Item -ItemType Directory -Path $entryDir | Out-Null | |
} | |
#If the entry is not a directory entry, then extract entry | |
if(!$entryTargetFilePath.EndsWith("\")){ | |
[System.IO.Compression.ZipFileExtensions]::ExtractToFile($entry, $entryTargetFilePath, $true); | |
} | |
} | |
} | |
Unzip -zipfile "$zip" -outdir "$dir" |
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