nt3.1sdk-to-pdf.ps1

function Get-CroppedText
{
	$pdftotext="C:\Program Files\xpdf\pdftotext.exe"
	$bbox=$args[0]
	$inFile=$args[1]
	pdfcrop --bbox $bbox $inFile tmp2.pdf | Out-Null
	& $pdftotext -nopgbrk tmp2.pdf - | Select-Object -First 1 | foreach { $_.Trim() }
	rm tmp2.pdf
}

function Get-PageNum
{
	pdftk $args[0] cat 1-1 output tmp.pdf | Out-Null
	$pagenum=Get-CroppedText "250 36 260 43" tmp.pdf
	$iPagenum=0
	if ($pagenum -eq $nil -or ![System.Int32]::TryParse($pagenum, [ref]$iPagenum))
	{
		$pagenum=Get-CroppedText "250 16.5 260 21" tmp.pdf
	}
	if ($pagenum -eq $nil -or ![System.Int32]::TryParse($pagenum, [ref]$iPagenum))
	{
		$pagenum=Get-CroppedText "250 23.5 260 28" tmp.pdf
	}
	rm tmp.pdf
	return $pagenum
}



$files=ls *.pdf | foreach { $pagenum=Get-PageNum $_.Name; @{pagenum=$pagenum; file=$_.Name} }
$files=($files | sort-object -property { [System.Int32]::Parse($_["pagenum"]) })

$f=cat list.txt; pdftk $f cat output VOLII.pdf