Extracts raw text from Amazon TextTract zip files

extract_and_rename.ps1

Add-Type -Assembly System.IO.Compression.FileSystem

# Define the path to your ZIP files
$ZipFilesPath = "."

# Create a temporary folder for extraction
$TempPath = "."

# Extract files from ZIPs and rename them
$Shell = New-Object -com Shell.Application
$Location = $Shell.NameSpace($TempPath)
$ZipFiles = Get-ChildItem $ZipFilesPath -Recurse -Include *.zip

foreach ($ZipFile in $ZipFiles) {
    $ZipFileStem = [IO.Path]::GetFileNameWithoutExtension($ZipFile.FullName)
    Write-Host "Extracting and renaming: $ZipFile (stem $ZipFileStem)"

    $ArchivePath = Convert-Path -LiteralPath $ZipFile
    $RawTextFile = 'rawText.txt'
    $ExtractDir = Convert-Path -LiteralPath "."

    $Archive = [IO.Compression.ZipFile]::OpenRead($ArchivePath)
    $VarType = $Archive.GetType().Name
    Write-Host "Found: $Archive ($VarType)"
    try {
        # Locate the desired file in the ZIP archive
        # Replace $_.Fullname by $_.Name if the file is in any subdirectory
        if ($ArchiveFile = $Archive.Entries.Where({ $_.FullName -eq $RawTextFile }, 'First')) 
        {
            $EntryStream = $ArchiveFile.Open()
            $FileStream = [System.IO.File]::Create("$ExtractDir\$ZipFileStem.txt")
            $EntryStream.CopyTo($FileStream)
        }
    }
    finally {
        $EntryStream.Close()
        $FileStream.Close()
        $Archive.Dispose()
        $Archive.Dispose()
    }

}