[Rd] unlink() is not synchronized with existing connections
Jens Oehlschlägel
joehl@web.de
Wed, 20 Dec 2000 13:36:17 +0100
> # creating a file
> cat("sddfasdf", file="tempfile")
> showConnections()
class description mode text isopen can read can write
> con <- file("tempfile", "r")
> readLines(con)
[1] "sddfasdf"
Warning message:
incomplete final line in: readLines(con, n, ok)
> showConnections()
class description mode text isopen can read can write
3 "tempfile" "file" "r" "text" "opened" "yes" "no"
> unlink("tempfile")
> showConnections()
class description mode text isopen can read can write
3 "tempfile" "file" "r" "text" "opened" "yes" "no"
> # now we have an opened (read) connection to a non-existing file left
BTW: this may be considered as a special case of a more general thing:
undefined rights to modify/access connections owned by other parts of the software
Regards
Jens Oehlschlägel
--please do not edit the information below--
Version:
platform = i386-pc-mingw32
arch = x86
os = Win32
system = x86, Win32
status =
major = 1
minor = 2.0
year = 2000
month = 12
day = 15
language = R
Windows NT 4.0 (build 1381) Service Pack 6
Search Path:
.GlobalEnv, package:ctest, Autoloads, package:base
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