Classes to use the golang utility pdfcpu.
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$PROJECT:=File(Structure file; fk platform path).name
$src:=Folder(Folder("/PROJECT/").platformPath; fk platform path).parent.folder("Samples/windows")
$dst:=Folder(fk desktop folder)
$pdfcpu:=cs.pdfcpu.new(cs._pdfcpu_Controller)
$inFile:=File("/PROJECT/4D Summit 2011 Pre-Class.pdf")
$outDir:=Folder(fk desktop folder)
//before and after page 2
$ex1:={inFile: $inFile; outDir: $outDir.folder("page"); mode: "page"; span: 2}
//3 pages each
$ex2:={inFile: $inFile; outDir: $outDir.folder("span"); span: 3}
//before pages 2,4,10
$ex3:={inFile: $inFile; outDir: $outDir.folder("pages"); mode: "page"; span: [2; 4; 10]}
$pdfcpu.split([$ex1; $ex2; $ex3])