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This command line tool allows batch migration of outdated XML-based .vismat or .vrmat files.
By default each file is updated to a version corresponding with V-Ray 5.1. This output version can be specified to accommodate for earlier V-Ray versions as well.
Note that legacy .vismat files that are not xml-based will not be migrated. If the contents of a .vismat file are not readable when opened with a text editor, it means the file cannot be migrated.
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