| countLines {R.utils} | R Documentation |
Counts the number of lines in a text file by count the number of occurances of platform-independent newlines (CR, LF, and CR+LF [1]), including a last line with neither. An empty file has zero lines.
## Default S3 method: countLines(file, chunkSize=5e+07, ...)
file |
A connection or a pathname. |
chunkSize |
The number of bytes read in each chunk. |
... |
Not used. |
Returns an non-negative integer.
Henrik Bengtsson (http://www.braju.com/R/)
[1] Page Newline, Wikipedia, July 2008. http://en.wikipedia.org/wiki/Newline
pathname <- system.file("NEWS", package="R.utils");
n <- countLines(pathname);
n2 <- length(readLines(pathname));
stopifnot(n == n2);