[R] Concatenating one character vector into one string

[Duncan Murdoch]

On 10/1/2007 8:42 AM, Bos, Roger wrote:
> Rainer,
> 
> This works: paste(x, sep="", collapse="") 
> 
> I would have thought this 'paste(x) would work, but it didn't.
> 
> Perhaps someone else can tell us why we need collapse="".  What would
> break if the default was collapse="" instead of collapse=NULL?

Paste is used for things like this:

paste("The value is", 1:10)

to produce 10 strings,

  [1] "The value is 1"  "The value is 2"  "The value is 3"  "The value 
is 4"
  [5] "The value is 5"  "The value is 6"  "The value is 7"  "The value 
is 8"
  [9] "The value is 9"  "The value is 10"

That's what would break.

Duncan Murdoch

> 
> Thanks,
> 
> Roger
> 
> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
> On Behalf Of Rainer M. Krug
> Sent: Monday, October 01, 2007 8:23 AM
> To: r-help
> Subject: [R] Concatenating one character vector into one string
> 
> Hi
> 
> I am sure this is simple - but how can I convert one charecter vector
> into one string?
> 
> example:
> 
> x <- c("This ", "is ", "one ", "sentence.")
> 
> should become
> "This is one entence"
> 
> Thanks
> 
> Rainer
> 
> --
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> 
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