title: How to Programmatically Inject JavaScript in PDF files?
body: <p>How to Programmatically Inject JavaScript in PDF files?</p>
  
  <p>Can it be done without Adobe Professional?</p>
  
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  <p>My goal is: I want to show up the print dialog immediately when I open the PDF. </p>
  
  <p>I know that this can be done with JavaScript code embedded in the document.</p>