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AutoIt Requires Chilkat v11.7.0+

PDF Footnotes in Markdown: Inline, at the End, or Dropped

See more PDF Text Extraction Examples

Demonstrates the "footnotes" option of the "markdown" operation. Small-print notes at the foot of a page are kept where they are ("inline", the default), gathered at the end of the document ("end"), or left out ("none").

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Local $bSuccess = False

;  This example requires the Chilkat API to have been previously unlocked.
;  See Global Unlock Sample for sample code.

;  The two-page PDF used in this example is available at footnotes.pdf

$oPdf = ObjCreate("Chilkat.Pdf")
$bSuccess = $oPdf.LoadFile("qa_data/pdf/footnotes.pdf")
If ($bSuccess = False) Then
    ConsoleWrite($oPdf.LastErrorText & @CRLF)
    Exit
EndIf

$oJson = ObjCreate("Chilkat.JsonObject")
$oJsonOut = ObjCreate("Chilkat.JsonObject")

;  Page 1 has two superscript references in the text and the two notes in small print at its foot;
;  page 2 has a third.
$bSuccess = $oPdf.ExtractText("markdown",$oJson,$oJsonOut)
If ($bSuccess = False) Then
    ConsoleWrite($oPdf.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite("---- footnotes: inline (default) ----" & @CRLF)
ConsoleWrite($oJsonOut.StringOf("markdown") & @CRLF)

$oJson.UpdateString("footnotes","end")
$bSuccess = $oPdf.ExtractText("markdown",$oJson,$oJsonOut)
If ($bSuccess = False) Then
    ConsoleWrite($oPdf.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite("---- footnotes: end ----" & @CRLF)
ConsoleWrite($oJsonOut.StringOf("markdown") & @CRLF)

$oJson.UpdateString("footnotes","none")
$bSuccess = $oPdf.ExtractText("markdown",$oJson,$oJsonOut)
If ($bSuccess = False) Then
    ConsoleWrite($oPdf.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite("---- footnotes: none ----" & @CRLF)
ConsoleWrite($oJsonOut.StringOf("markdown") & @CRLF)

;  Sample output:

;  ---- footnotes: inline (default) ----
;  <!-- page 1 -->
;  
;  # The Lens on Loan
;  
;  The society located a fourth-order lens of the correct period at a museum1 in the next county, and an agreement to loan it for ten years was signed in November.2 The lens will be lit with a low-wattage electric lamp rather than oil, and it will be displayed as a historic light rather than registered as an aid to navigation.
;  
;  1 The county maritime museum, which holds three lenses from decommissioned lights. 2 The loan is renewable and carries no fee; the society insures the lens.
;  
;  <!-- page 2 -->
;  
;  # Public Access
;  
;  The grounds opened to visitors on weekends from July. Nearly three thousand people climbed the tower over the summer,3 with no incidents.
;  
;  3 Counted at the entrance by the volunteers on duty.
;  
;  ---- footnotes: end ----
;  <!-- page 1 -->
;  
;  # The Lens on Loan
;  
;  The society located a fourth-order lens of the correct period at a museum1 in the next county, and an agreement to loan it for ten years was signed in November.2 The lens will be lit with a low-wattage electric lamp rather than oil, and it will be displayed as a historic light rather than registered as an aid to navigation.
;  
;  <!-- page 2 -->
;  
;  # Public Access
;  
;  The grounds opened to visitors on weekends from July. Nearly three thousand people climbed the tower over the summer,3 with no incidents.
;  
;  1 The county maritime museum, which holds three lenses from decommissioned lights. 2 The loan is renewable and carries no fee; the society insures the lens.
;  
;  3 Counted at the entrance by the volunteers on duty.
;  
;  ---- footnotes: none ----
;  <!-- page 1 -->
;  
;  # The Lens on Loan
;  
;  The society located a fourth-order lens of the correct period at a museum1 in the next county, and an agreement to loan it for ten years was signed in November.2 The lens will be lit with a low-wattage electric lamp rather than oil, and it will be displayed as a historic light rather than registered as an aid to navigation.
;  
;  <!-- page 2 -->
;  
;  # Public Access
;  
;  The grounds opened to visitors on weekends from July. Nearly three thousand people climbed the tower over the summer,3 with no incidents.