[R] Fast way to determine number of lines in a file

Gabor Grothendieck ggrothendieck at gmail.com
Mon Feb 8 15:52:40 CET 2010

If you are willing to use an external program parse the result of:

> system("wc -l small.dat")
10 small.dat

On Windows there is a wc.exe program in the Rtools distribution.

On Mon, Feb 8, 2010 at 9:16 AM, Hadley Wickham <hadley at rice.edu> wrote:
> Hi all,
> Is there a fast way to determine the number of lines in a file?  I'm
> looking for something like count.lines analogous to count.fields.
> Hadley
> --
> http://had.co.nz/
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