library(SASxport)
data(iris)
write.xport(Iris1=iris[1:2,],
empty=data.frame(),
Iris2=iris[3:4,],
file="testEmpty.xpt")
empty.s <- lookup.xport(file="testEmpty.xpt")
names(empty.s)
stopifnot( length(names(empty.s)) == 4 )
dat <- read.xport(file="testEmpty.xpt", verbose=TRUE)
stopifnot( length(names(dat)) == 3 )
stopifnot( nrow(dat)!=0 )
dat
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