x <- c(a=1, b=2)
Rename(x, a="A", b="B")
str(Rename( iris,
            Sepal.Length="Sepal_Length",
            Sepal.Width ="Sepal_Width",
            Petal.Length="Petal_Length",
            Petal.Width ="Petal_Width"
            ))
str(Rename(iris, .="_", gsub=TRUE))
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