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(VBScript) Update a String Property in XMPDemonstrates how to open a JPG or TIF image file, access the XMP metadata, and update the value of a string property. (If the string property does not already exist, it is created.)
Dim fso, outFile Set fso = CreateObject("Scripting.FileSystemObject") 'Create a Unicode (utf-16) output text file. Set outFile = fso.CreateTextFile("output.txt", True, True) ' This example assumes the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Xmp") set xmp = CreateObject("Chilkat.Xmp") ' Load a JPG or TIF image file. success = xmp.LoadAppFile("qa_data/xmp/AJ_123642_1511.tif") If (success <> 1) Then outFile.WriteLine(xmp.LastErrorText) WScript.Quit End If outFile.WriteLine("Num embedded XMP docs: " & xmp.NumEmbedded) ' This example assumes that XMP metadata is already present in the image file. If (xmp.NumEmbedded = 0) Then outFile.WriteLine("No XMP metadata already exists..") WScript.Quit End If ' Get the XMP metadata. ' xml is a Chilkat.Xml Set xml = xmp.GetEmbedded(0) ' Show the XML: outFile.WriteLine(xml.GetXml()) ' Update (overwrite) a string property. success = xmp.AddSimpleStr(xml,"NumberofTimes","123") success = xmp.SaveAppFile("qa_output/updated.tif") If (success <> 1) Then outFile.WriteLine(xmp.LastErrorText) WScript.Quit End If outFile.WriteLine("Success.") outFile.Close |
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