AGPL PDF metadata title compare

Licensed under AGPL
[CmdletBinding()]
param ( [string]$Path = "$env:USERPROFILE\Documents\testpdfs\",
        [string]$Output = "$env:USERPROFILE\Documents\PDF_Metadata_Report2.csv",
        [string]$DLL = "c:\Temp\itextsharp.dll"
)
$Runtime = Measure-Command {
# Define the varibles for the script.
$Path = "\\domain.com\PDFs"
$ErrorActionPreference = "silentlycontinue"
$Pattern = ">(.*?)<"
$Count = 0
$Matched = 0

# Prepare the console for output
cls

# Give the user a welcome message
Write-Output @"
================================================================================
                                PDF METADATA ANALYSER
================================================================================
`n
"@



# Define the array
Write-Output "Defining the array`n"
$Report = @()


# This is the location used for the itextsharp dll
Write-Output "Loading the iTextSharp DLL`n"
Add-Type -path $DLL



# Define the file/s to be edited. Filter for only PDFs
Write-Output "Scanning files. This could take a while...`n"

$PDFs = Get-ChildItem -Path $path -Filter *.pdf -Recurse | %{Write-Host Examining file: $_.fullname; $_}


# Loop through the path specified and all sub folders and compare the filename vs the metadata title.
ForEach ($PDF in $PDFs)
    {
        # Increment the count of files processed.
        $Count = $Count + 1

        # Tell the prompt which file is currently being processed
        write-output "The current PDF is $($PDF.name)"

        # Use iTextSharp to grab the PDF metadata and add it to a variable.
        $MyPDF = New-Object iTextSharp.text.pdf.PdfReader -ArgumentList $PDF.FullName -ErrorAction ignore

        # Grab the metadata title and add it to a variable.
        $Field = $MyPDF.Info.Title

        # If the field varible isn't blank
        if($Field)
            {
                Write-Output "The metadata title is $($Field)"
            }

            # If the field varible is blank
            else
                {
                    Write-Output "There is no metadata title."
                }

        # Do a text search on the PDF and look for the pattern "Producer" then trim the string.
        $Producer = Select-String -Pattern "producer" -path $PDF.FullName
        $producertimeout = $null
$ProducerTimeout = Get-Date
            Do {
                $ProdOut = [regex]::match($Producer,$Pattern)
                $ProdOut = $ProdOut.ToString()
                $ProdOut = $ProdOut.trim(">","<")
                write-host (Get-Date) $producertimeout $PDF.FullName
                }
            While($ProducerTimeout.Addseconds(2) -gt (Get-Date))

        # If the prodout varible isn't blank
        if($Prodout)
            {
                Write-Output "The producer is $($ProdOut)"
            }

            # If the prodout varible is blank.
            else
                {
                    Write-Output "There is no producer information"
                }

        # Add a blank line for easier reading at the console
        Write-Output "`n"

        # Check to see if the title is empty.
        IF($Field)
            {
            # If the metadata title doesn't match the filename after removing the extension, add the title, filename, full path, and the producer to an array.
            IF($Field -ne $PDF.Name.Substring(0,$PDF.Name.Length-4))
                {
                    $Result = "" | Select FileName, OtherName, Filepath, Producer
                    $Result.FileName = $PDF.Name
                    $Result.OtherName = $Field
                    $Result.Filepath = $PDF.FullName
                    $Result.Producer = $ProdOut
                    $Report += $Result
                    $Matched = $Matched + 1

                }
            }
    }
    } # Measure command

    # Export the results of array to CSV
    $Report | Export-CSV $Output -Force
    Write-Output "Processed $($Count) and matched $($Matched) files and took $($Runtime.TotalMinutes)"
    Write-Output "Results are located at $($Output)"