writing to gzfile: segmentation fault (PR#2347)
On Thu, Dec 05, 2002 at 01:30:19AM +0100, vograno@arbitrade.com wrote:
Full_Name: Vadim Ogranovich Version: Version 1.6.0 (2002-10-01) OS: Red Hat 7.1 Submission from: (NULL) (209.99.241.1) The following sequence of commands crashes my R session. The first weirdness happens after the second command that appears not to change the "foo.gz" file, no error generated.
con <- gzfile("foo.gz", open="w"); cat("goo\n", file=con); close(con)
con <- gzfile("foo.gz", open="w"); cat("goo\n", file=con); close(con)
cat("boo\n", file=gzfile("foo.gz"))
# this doesn't change "foo.gz"
cat("boo\n", file=gzfile("foo.gz"))
con <- gzfile("foo.gz", open="w"); cat("goo\n", file=con); close(con)
con <- gzfile("foo.gz", open="w"); cat("goo\n", file=con); close(con)
cat("boo\n", file=gzfile("foo.gz"))
cat("boo\n", file=gzfile("foo.gz"))
Process R segmentation fault at Wed Dec 4 16:13:32 2002
Try upgrading -- 1.6.1 on Debian is happy: edd@chibud:~> R R : Copyright 2002, The R Development Core Team Version 1.6.1 (2002-11-01) R is free software and comes with ABSOLUTELY NO WARRANTY. You are welcome to redistribute it under certain conditions. Type license()' or licence()' for distribution details. R is a collaborative project with many contributors. Type contributors()' for more information. Type demo()' for some demos, help()' for on-line help, or help.start()' for a HTML browser interface to help. Type q()' to quit R.
con <- gzfile("foo.gz", open="w"); cat("goo\n", file=con); close(con)
cat("boo\n", file=gzfile("foo.gz"))
con <- gzfile("foo.gz", open="w"); cat("goo\n", file=con); close(con)
cat("boo\n", file=gzfile("foo.gz"))
ls()
[1] "con" Dirk
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