If all your code has semicolons you could write a program that puts each statement on one line based on the semicolons and then passing it through R will reformat it in a standard way. See Rtidy.bat in the batchfiles distribution for the reformatting part: http://batchfiles.googlecode.com
On Fri, Mar 13, 2009 at 8:55 AM, Paul Suckling <paul.suckl...@gmail.com> wrote: > Dear all. > > After much grief I have finally found the source of some weird > discrepancies in results generated using R. It turns out that this is > due to the way R handles multi-line expressions. Here is an example > with R version 2.8.1: > > ---------------------------------------------------- > # R-script... > > r_parse_error <- function () > { > a <- 1; > b <- 1; > c <- 1; > d <- a + b + c; > e <- a + > b + > c; > f <- a > + b > + c; > cat('a',a,"\n"); > cat('b',b,"\n"); > cat('c',c,"\n"); > cat('d',d,"\n"); > cat('e',e,"\n"); > cat('f',f,"\n"); > } > ---------------------------------------------------- >> r_parse_error(); > a 1 > b 1 > c 1 > d 3 > e 3 > f 1 > ---------------------------------------------------- > > As far as I am concerned f should have the value 3. > > This is causing me endless problems since case f is our house style > for breaking up expressions for readability. All our code will need to > be rechecked as a result. Is this behaviour a bug? If not, is it > possible to get R to generate a warning that several lines of an > expression are potentially being ignored, perhaps by turning on a > strict mode which requires the semi-colons? > > Thank you, > > Paul > > ______________________________________________ > R-help@r-project.org 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. > ______________________________________________ R-help@r-project.org 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.