# NOT RUN {
tar1 <- system.file("examples", "yaml_2.1.18.tar.gz", package = "packageDiff")
tar2 <- system.file("examples", "yaml_2.1.19.tar.gz", package = "packageDiff")
a <- pkgInfo(tar1)
b <- pkgInfo(tar2)
pkgDiff(a, b)
# }
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