[R] strsplit on comma, with a trailing comma in input
ggrothendieck at gmail.com
Tue Dec 4 00:33:41 CET 2007
Try appending another comma:
strsplit(paste("a,,b,", ",", sep = ""), ",")
On Dec 3, 2007 6:22 PM, dankelley <Dan.Kelley at dal.ca> wrote:
> I have a comma-separated data file in which trailing commas sometimes occur.
> I am using strsplit to extract the data from this file, and it seems great
> except in cases with trailing comma characters.
> The example below illustrates. What I'd like is to get a fourth element in
> the answer, being an empty string just like the second element. Is there a
> way I can express my patter (or perhaps specify perl or extended) to get
> > strsplit("a,,b,", ",")[]
>  "a" "" "b"
> View this message in context: http://www.nabble.com/strsplit-on-comma%2C-with-a-trailing-comma-in-input-tf4940023.html#a14141151
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> and provide commented, minimal, self-contained, reproducible code.
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