[R] How generate "A01", "A02", ..., "A99"?

[Sundar Dorai-Raj]

Yao, Minghua wrote:

> Hi,
>  
> Anyone can tell me how to generate "A01", "A02", ..., "A99"?
>  
> paste("A", 1:99, sep="") generates "A1", "A2",..., "A99". This is not  what I want.
>  
> Thanks for the help.
>  
> -MY
> 
> 	[[alternative HTML version deleted]]
> 

How about?

sapply(1:99, function(i) sprintf("A%02d", i))

--sundar