AutoIt Requires Chilkat v11.7.0+
AutoIt
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.Chilkat AutoIt Downloads
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