[R] Why does length("") == 1?

Peter Langfelder peter.langfelder at gmail.com
Fri Nov 11 01:27:34 CET 2011

On Thu, Nov 10, 2011 at 4:17 PM, Worik R <worikr at gmail.com> wrote:
> It seems obvious to me that the empty string "" is length 0.

You are using the wrong function to find the length of a character string.

length() returns the length of the object, and length of (non-NULL)
scalars is always 1. If you want the number of characters in a string,
use nchar():

> nchar("")
[1] 0


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