[R] gzfile() produces large files

[Uwe Ligges]

I observed some strange results playing around with gzfile() [R-1.3.0,
WinNT 4.0]:

At first

  x <- 1:1000
  write(x, file = "c:/temp.txt")

results in a file of about 4 kB. But

  my.con <- gzfile("c:/temp.gz", open = "w")
  write(x, file = my.con)
  close(my.con)

results in a file of about 16 kB.

I expected a reduction of the size. Anyone who can tell me what went
wrong?

Uwe Ligges
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