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l1no2tmean
2004 Jun 11
3
Change in grep behavior from 1.9.0 to R-patched
I've noticed a change in the way grep() behaves between the 1.9.0
release and a recent R-patched. On 1.9.0 I get the following output:
> x <- dget(file = url("http://www.biostat.jhsph.edu/~rpeng/names.R"))
> length(grep("^l\\w+tmean", x, perl = TRUE, value = TRUE))
[1] 84
And on R-patched (2004-06-11) I get
> x <- dget(file =