Convert text files to PDF

Convert-ToPDF.ps1

Function ConvertTo-PDF {
  <#
    .DESCRIPTION
    Convert 1 or many files to PDFs
    
    .PARAMETER filePath
    -filePath: The path to the folder that contains all your text files

    .PARAMETER dllPath
    -dllPath: The Path to the iTextSharp.DLL file

    .EXAMPLE
    ConverTTo-PDF -filePath 'C:\help' -filetype 'txt' -dllPath 'C:\itextsharp.dll'

    .REQUIREMENTS
    - iTextSharp 5.5.10 .NET Library
    - You may have to Set execution policy to less restrictive policy

    .LINK
    iTextSharp .NET library: https://github.com/itext/itextsharp/releases/tag/5.5.11
  #>


Param(
  [Parameter(
    Mandatory=$True,
    HelpMessage='Add the path you want to save help to EX. c:\help'
    )][string]$filePath,

  [Parameter(
    Mandatory=$True,HelpMessage='What file type to convert'
    )][string]$filetype,

  [Parameter(
    Mandatory=$True,HelpMessage='path to the itextsharp.dll file EX. c:\itextsharp.dll'
    )][string]$dllPath
)

Begin{
  Try{
    Add-Type -Path $dllPath -ErrorAction Stop
  }
  Catch{
    Throw "Could not load iTextSharp DLL from $($dllPath).`nPlease check that the dll is located at that path."
  }
}

Process{
  $txtFiles = Get-ChildItem -Path $filePath -Recurse -Filter "*.$filetype"

  ForEach ($txtFile in $txtFiles){
    $path = "$($txtFile.DirectoryName)\$($txtFile.BaseName).pdf"
    $doc = New-Object -TypeName iTextSharp.text.Document
    $fileStream = New-Object -TypeName IO.FileStream -ArgumentList ($path, [System.IO.FileMode]::Create)
    [iTextSharp.text.pdf.PdfWriter]::GetInstance($doc, $filestream)
    [iTextSharp.text.FontFactory]::RegisterDirectories()

    $paragraph = New-Object -TypeName iTextSharp.text.Paragraph
    $paragraph.add(( Get-Content -Path $($txtFile.FullName) |
        ForEach-Object {
            "$_`n"
        })) | Out-Null
    $doc.open()
    $doc.add($paragraph) | Out-Null
    $doc.close()
}

}
}

Export-PSHelp.ps1

Function Export-PShelp {
  <#
    .SYNOPSIS
    Exports the -full help for each CMDlet available on your computer.
    
    .DESCRIPTION
    Gets all the Modules available on the computer, loops through those Modules to retrieve each CMDlet name as well as create a folder for each module. Loops through each CMDlet in each module and exports the -full help for each to the $filepath\$modulename

    .PARAMETER filePath
    -filePath: The folder that you're exporting all the help files to on your local hard drive.

    .EXAMPLE
    Export-PShelp -filePath 'c:\helpfiles'

    .NOTES

    .LINK
    
  #>

Param(
  [Parameter(
    Mandatory=$True,HelpMessage='Path where you want the helpfiles to be exported',
    Position=1
  )][string]$filePath
)
    
If(!(Test-Path -Path "$filePath\")){
  New-Item -Path $Filepath -Name Help -ItemType Directory
}

# You get some errors if a module has no help so I just 
# turned error reporting off.    
$ErrorActionPreference = 'silentlycontinue'

# Get each module name and loop through each to retrieve cmdlet names
$modules = Get-Module -ListAvailable | 
    Select-Object -ExpandProperty Name

ForEach ($module in $modules){
  # Creates a folder for each Module
  If (!(Get-Item -Path "$filePath\$($module)")){
    New-Item -ItemType Directory -Path "$filePath\$($module)"
  }

  # Get the CMDLet names for each CMDlet in the Module
  $modulecmdlets = Get-Command -Module $module | 
    Select-Object -ExpandProperty name
        
    ForEach ($modulecmdlet in $modulecmdlets){
      Get-Help -Name $($modulecmdlet) -Full | 
      Out-File -FilePath "$filePath\$($module)\$($modulecmdlet).txt"
    }  
  }
}

Merge-AllPDFs.ps1

##############################################################
# Merges all the PDF files for each Module in to 1 PDF file per
# module called Help_<moduleName>.pdf in $filepath
##############################################################

$folders = Get-ChildItem -Path $filePath -Directory
$ErrorActionPreference = 'silentlycontinue'
foreach ($folder in $folders){
    $pdfs = Get-ChildItem -Path $folder.fullname -recurse -Filter '*.pdf'

    [void] [System.Reflection.Assembly]::LoadFrom(
        [System.IO.Path]::Combine($filePath, $dllPath)
    )
        $output = [System.IO.Path]::Combine($filePath, "Help_$($folder[0].Name).pdf")
        $fileStream = New-Object -TypeName System.IO.FileStream -ArgumentList ($output, [System.IO.FileMode]::OpenOrCreate)
        $document = New-Object -TypeName iTextSharp.text.Document
        $pdfCopy = New-Object -TypeName iTextSharp.text.pdf.PdfCopy -ArgumentList ($document, $fileStream)
        $document.Open()
    
        foreach ($pdf in $pdfs) {
            $reader = New-Object -TypeName iTextSharp.text.pdf.PdfReader -ArgumentList ($pdf.FullName)
            $pdfCopy.AddDocument($reader)
            $reader.Dispose()
        }
    $pdfCopy.Dispose()
    $document.Dispose()
    $fileStream.Dispose()
}

Merge-PDFs.ps1

Function Merge-PDFs{
  <#
    .SYNOPSIS
    Merges PDF files into 1 PDF file.

    .PARAMETER filePath
    -filePath: Any PDF file in the filepath will be combined into 1 PDF file named All_PowerShell_Help.pdf.

    .PARAMETER dllPath
    -dllPath: The Path to the iTextSharp.DLL file

    .EXAMPLE
    Merge-PDFs -filePath 'c:\scripts\help' -dllPath 'c:\scripts\itextsharp.dll'
    Describe what this call does

    .NOTES
    Modified Code from here
    http://geekswithblogs.net/burncsharp/archive/2007/04/13/111629.aspx

  #>


  Param(
  [Parameter(
    Mandatory=$True,
    HelpMessage='Add the path you want to save help to EX. c:\help'
  )][string]$filePath,
  
  [Parameter(
    ValueFromPipelinebyPropertyName=$true
    )][string]$dllPath
  )

  Begin{
    Try{
      Add-Type -Path $dllPath -ErrorAction Stop
    }
    Catch{
      Throw "Could not load iTextSharp DLL from $($dllPath).`nPlease check that the dll is located at that path."
    }
  }

  Process{ 

##############################################################
# Merges all the PDF files for each Module in to 1 PDF file 
# called All_PowerShell_Help.pdf in $filepath
# 21,000 pages to maybe a second, iTextSharp is fast.
##############################################################

    $pdfs = Get-ChildItem -Path $filePath -Recurse -Filter '*.pdf'
    $ErrorActionPreference = 'silentlycontinue'
    [void] [System.Reflection.Assembly]::LoadFrom(
      [System.IO.Path]::Combine($filePath, $dllPath)
    )
    $output = [System.IO.Path]::Combine($filePath, 'All_PowerShell_Help.pdf')
    $fileStream = New-Object -TypeName System.IO.FileStream -ArgumentList ($output,[System.IO.FileMode]::OpenOrCreate)
    $document = New-Object -TypeName iTextSharp.text.Document
    $pdfCopy = New-Object -TypeName iTextSharp.text.pdf.PdfCopy -ArgumentList ($document, $fileStream)
    $document.Open()
    
    foreach ($pdf in $pdfs) {
        $reader = New-Object -TypeName iTextSharp.text.pdf.PdfReader -ArgumentList ($pdf.FullName)
        $pdfCopy.AddDocument($reader)
        $reader.Dispose()
    }
$pdfCopy.Dispose()
$document.Dispose()
$fileStream.Dispose()

#############################################################
# Find all directories in $filepath that are empty and delete
# them. Some directories created for DSC Resources will be empty
#############################################################
    (Get-ChildItem -Path $filePath -Recurse | 
    Where-Object {$_.PSIsContainer -eq $True}) | 
    Where-Object {$_.GetFiles().Count -eq 0} | 
    Remove-Item
}

}