I think this is quoted out of context. I was referring to Duncan's post which shows an example of piping R code.
On 9/26/06, Dirk Eddelbuettel <[EMAIL PROTECTED]> wrote: > > On 26 September 2006 at 22:17, Gabor Grothendieck wrote: > | The real problem is that one wants to pipe the data in, not the > | R source. The idea is that one successively transforms the > | data in successive elements of the pipeline. > > But that is what our filesize example does:: > > | On 9/26/06, Duncan Murdoch <[EMAIL PROTECTED]> wrote: > | > On 9/26/2006 1:04 PM, Jeffrey Horner wrote: > [...] > | > > But unlike bc(1), GNU R has a vast number of statistical > | > > functions. For example, we can quickly compute a summary() and show > | > > a stem-and-leaf plot for file sizes in a given directory via > | > > > | > > $ ls -l /boot | awk '!/^total/ {print $5}' | \ > | > > r -e 'fsizes <- as.integer(readLines()); > | > > print(summary(fsizes)); stem(fsizes)' > | > > Min. 1st Qu. Median Mean 3rd Qu. Max. > | > > 13 512 110100 486900 768400 4735000 > | > > Loading required package: grDevices > | > > > | > > The decimal point is 6 digit(s) to the right of the | > | > > > | > > 0 | 00000000000000000011112223 > | > > 0 | 5557778899 > | > > 1 | 112233 > | > > 1 | 5 > | > > 2 | > | > > 2 | > | > > 3 | > | > > 3 | > | > > 4 | > | > > 4 | 7 > > Data to be processed on stdin, command via -e 'some long expression'. > > To make it simpler, here is a somewhat useless example of r piping into r > (which I've indented for readability): > > $ r -e 'set.seed(42); sapply(rnorm(5),function(x) cat(x,"\n"))' | \ > r -e 'cat(sum(abs(as.numeric(readLines()))), "\n")' > 3.335916 > > Isn't that something where, to quote you, "one wants to pipe the data in, not > the R source" ? > > Dirk > > -- > Hell, there are no rules here - we're trying to accomplish something. > -- Thomas A. Edison > ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.