[R] quotes

[Prof Brian Ripley]

col.names <- strsplit("one, two, three", ", ")[[1]]

is an easy way to do this.  But you can do

paste('"', gsub(', ',  '","', "one, two, three"), '"', sep="")

R accepts either single or double quotes and it can make life easier to 
use both.

On Fri, 12 Aug 2005, Jean-Pierre Gattuso wrote:

> Hi:
>
> I have been struggling with gsub to no avail and am seeking help from
> the list.
>
> I want to make a vector of the string "one, two, three" and have
> tried to:
>
>     - replace each comma by ","
>     - add " at the beginning of the string
>     - add " at the end of the string
>
> to issue the command:
>
>     col.names <- c("one", "two", "three")
>
> for use in a data frame.
>
> I have tried gsub to get that but am unable to get the double quote
> and when I try to escape it (\"), I also get the backslash.
>
>
> Thanks for your help,
> jpg
>
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-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595