If you open a connection within a function it is often a good idea to
set an "on.exit" expression that will close the connection. This will be
called even if your function terminates via stop(). Here is an example:
con <- file("foo")
open(con)
on.exit(close(con), add=TRUE)
HTH,
Vadim
> -O
On Tue, 4 May 2004, Lei Jiang wrote:
> I am trying to read multiple files into R, but I got following message
>
> Error in file(file, "r"): All connections are in use.
>
> I clean up memory everytime I read in one file. Do i have to somehow
> release file connection everytime i read in one??
No