[R] Closing binary file connections

[Prof Brian Ripley]

On Thu, 10 Jan 2002, Sven Garbade wrote:

> Hi all,
>
> I'm writing a function that read data from a binary file. I want to
> close all opened connections, but it failed:
>
> > showConnections()
>    description        class  mode text     isopen   can read can write
> 3  "daten/t5_all.mea" "file" "rb" "binary" "opened" "yes"    "no"
> 4  "daten/t5_all.mea" "file" "rb" "binary" "opened" "yes"    "no"
> 5  "daten/t5_all.mea" "file" "rb" "binary" "opened" "yes"    "no"
> 6  "daten/t5_all.mea" "file" "rb" "binary" "opened" "yes"    "no"
> 7  "daten/t5_all.mea" "file" "rb" "binary" "opened" "yes"    "no"
> 8  "daten/t5_all.mea" "file" "rb" "binary" "opened" "yes"    "no"
> 9  "daten/t5_all.mea" "file" "rb" "binary" "opened" "yes"    "no"
> 10 "daten/t5_all.mea" "file" "rb" "binary" "opened" "yes"    "no"
> 11 "daten/t5_all.mea" "file" "rb" "binary" "opened" "yes"    "no"
> 12 "daten/t5_all.mea" "file" "rb" "binary" "opened" "yes"    "no"
> 13 "daten/t5_all.mea" "file" "rb" "binary" "opened" "yes"    "no"
> > closeAllConnections()
> Error in close(set[i]) : no applicable method for "close"
> In addition: Warning message:
> no sink to remove
>
> What does this mean?


Which version of R is this?  From the NEWS for 1.4.0:

    o   closeAllConnections() works again, and closes all sink() diversions.

You can always close them individually with close()


-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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