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Link to download this code snippet: https://bitbucket.cdisc.org/snippets/c81ab9b9e133420e80510465e234f533/download.
R
Below is a basic CDISC Library client in R, tested using R Studio v1.2.5 with R v3.6. This example demonstrates how to obtain a product catalog using the /mdr/products endpoint.
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Link to download this code snippet: https://bitbucket.cdisc.org/snippets/9e2db509e6ab43f7a3ac82f06a7aae53/download.
Also available is a Java program that incorporates this XQuery method: https://bitbucket.cdisc.org/snippets/5b4e4100c52b4fb2ac633f83d04a4251.