make_name <- function(n=20)
{
paste0(sample(letters, n, TRUE), collapse="")
}
write_file <- function(dir=tempdir(), size=1000)
{
fname <- tempfile(tmpdir=dir)
bytes <- openssl::rand_bytes(size)
writeBin(bytes, fname)
fname
}
files_identical <- function(set1, set2)
{
all(mapply(function(f1, f2)
{
s1 <- file.size(f1)
s2 <- file.size(f2)
s1 == s2 && identical(readBin(f1, "raw", s1), readBin(f2, "raw", s2))
}, set1, set2))
}
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