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ntu1997
2005 Aug 25
1
how to close connections?
Hi everybody,
I am using gzipped files quite extensively and cannot figure out how I
can close (or reuse) connections.
Example:
> for(i in 1:300) {cat(i, "\n"); a <- readLines(gzfile("file.gz"), n=1) }
1
2
...
46
47
Error in gzfile("~/tyyq/andmebaasiq/ETU/ETU1997.tsv.gz") :
all connections are in use
To use just gzfile without any open/close should be OK as the help
states:
... In general functions using connections will open them if they are not
open, but then close them again, so to leave a connection open call
open explicitly.
I have also exper...