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(PowerShell) Decode Base64 Image String (GIF, JPG, etc.) and Save to FileI have an XML response that includes a base 64 encoded image string (UPS label). It's a huge string and I need to save it as a gif file on my users pc. This example shows how to do it..
Add-Type -Path "C:\chilkat\ChilkatDotNet47-x64\ChilkatDotNet47.dll" $bd = New-Object Chilkat.BinData # I created an extra-small GIF image for this example.. $success = $bd.LoadFile("qa_data/gif/xsmall.gif") if ($success -ne $true) { $("Failed to load GIF image file.") exit } # Show GIF bytes as base64: $($bd.GetEncoded("base64")) # This particular GIF in base64 is this: # R0lGODlhBQAFAMQAAAAAAP////z8/PHx8evr6+jo6OHh4d7e3sPDw8LCwpqamo2NjWxsbGRkZFpaWk1NTUtLS0hISCwsLCQkJP///wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAABQALAAAAAAFAAUAAAUTYCAYQUBAU1lI0TIgztE8jFImIQA7 # Let's begin with an XML string: $x = "<abc><def>R0lGODlhBQAFAMQAAAAAAP////z8/PHx8evr6+jo6OHh4d7e3sPDw8LCwpqamo2NjWxsbGRkZFpaWk1NTUtLS0hISCwsLCQkJP///wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAEAABQALAAAAAAFAAUAAAUTYCAYQUBAU1lI0TIgztE8jFImIQA7</def></abc>" $xml = New-Object Chilkat.Xml $success = $xml.LoadXml($x) # Get the base64 string: $gifBase64 = $xml.GetChildContent("def") $($gifBase64) # Load bd with the base64 decoded bytes. $bd.Clear() $bd.AppendEncoded($gifBase64,"base64") # Save to a GIF file. $success = $bd.WriteFile("qa_output/xsmall.gif") |
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