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(PowerShell) Get a Structure Property Value from XMP

Demonstrates how to open a JPG or TIF image file, access the XMP metadata, and fetch the value of a structure property, such as the Iptc4xmpCore:CiTelWork (found within the Iptc4xmpCore:CreatorContactInfo structure).

Chilkat .NET Downloads

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Chilkat for Mono

[Reflection.Assembly]::LoadFile("C:\myAssemblies\ChilkatDotNet47.dll")

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

$xmp = New-Object Chilkat.Xmp

# Load a JPG or TIF image file.
# Sample JPG's with XMP metadata may be found at:
# http://www.chilkatsoft.com/testData/xmp/sample1.jpg
# http://www.chilkatsoft.com/testData/xmp/sample2.jpg
# http://www.chilkatsoft.com/testData/xmp/sample3.jpg
$success = $xmp.LoadAppFile("sample1.jpg")
if ($success -ne $true) {
    $($xmp.LastErrorText)
    exit
}

$("Num embedded XMP docs: " + $xmp.NumEmbedded)

# Assuming there is at least one, get the 1st.
# (There is typically never more than one, but theoretically it's possible.)
$xml = $xmp.GetEmbedded(0)
if ($xmp.LastMethodSuccess -eq $true) {

    $propVal = $xmp.GetStructValue($xml,"Iptc4xmpCore:CreatorContactInfo","Iptc4xmpCore:CiTelWork")
    if ($xmp.LastMethodSuccess -ne $true) {
        $("Not found.")
    }
    else {
        $($propVal)
    }

}
else {
    $($xmp.LastErrorText)
}


 

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