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AutoIt Requires Chilkat v11.7.0+

Replace PDF Text on Selected Pages Only

See more PDF Text Replacement Examples

Demonstrates the "pages" option, which limits the search for placeholders and labels to the given pages: "all" (the default), "first", "last", "odd", "even", or a list such as "1,3,5-9". The two-page order confirmation carries the same "Status:" label on both pages; the status is changed on page 2 only, then on both pages.

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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 PDF used in this example is available at order_confirmation.pdf

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

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

;  Both pages have "Status:   Pending".  With pages "2", only page 2 is searched.
$oJson.UpdateString("pages","2")
$oJson.UpdateString("labels[0].label","Status:")
$oJson.UpdateString("labels[0].value","Shipped")
$bSuccess = $oPdf.TextReplace("check",$oJson,$oJsonOut)
If ($bSuccess = False) Then
    ConsoleWrite($oPdf.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite("pages 2: found on page(s) " & $oJsonOut.StringOf("replacements[0].pages") & @CRLF)

;  With every page searched, the default occurrence ("first") still replaces one -- the first in reading order.
$oJson.UpdateString("pages","all")
$bSuccess = $oPdf.TextReplace("check",$oJson,$oJsonOut)
If ($bSuccess = False) Then
    ConsoleWrite($oPdf.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite("pages all, first occurrence: found on page(s) " & $oJsonOut.StringOf("replacements[0].pages") & @CRLF)

;  Every occurrence on every page.
$oJson.UpdateString("labels[0].occurrence","all")
$bSuccess = $oPdf.TextReplace("apply",$oJson,$oJsonOut)
If ($bSuccess = False) Then
    ConsoleWrite($oPdf.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite("pages all, every occurrence: " & $oJsonOut.IntOf("replacements[0].count") & " replaced on page(s) " & $oJsonOut.StringOf("replacements[0].pages") & @CRLF)

$bSuccess = $oPdf.WriteFile("qa_output/order_shipped.pdf")
If ($bSuccess = False) Then
    ConsoleWrite($oPdf.LastErrorText & @CRLF)
    Exit
EndIf

;  Sample output:

;  pages 2: found on page(s) 2
;  pages all, first occurrence: found on page(s) 1
;  pages all, every occurrence: 2 replaced on page(s) 1,2