[R] opening files in directory

Gabor Grothendieck ggrothendieck at gmail.com
Mon Sep 4 22:13:31 CEST 2006

On 9/4/06, Mike Nielsen <mr.blacksheep at gmail.com> wrote:
> R won't do variable interpolation inside quotation marks as perl does.

Just as an aside, gsubfn in package gsubfn will do perl-style
(well, sort of) string interpolation:

> library(gsubfn)
> i <- 1
> gsubfn(x = "data_files/file$i")
[1] "data_files/file1"

cati and cati0 in the same package provide for such interpolation
within cat.

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