[R] handle a sequence of strings with for loop

[Uwe Ligges]

jonathan_li at agilent.com wrote:
> 
> Hi all,
> 
> I have a string sequence:
> "my00", "my01", "my02",...,"my99".
> I would like to process them one by one use a for loop like:
> 
> for(i in 0:99){
>         str <- paste("my", i, sep="")
>         print(str)
> }
> 
> But this only works with string "my10" to "my99".
> In Python, this problem can be solved by string formating zero fill such as
> print "%02d", i;
> which will give
> 00, 01, ...,09,10,...,99
> 
> I wonder if R has similar solutions?


Details in ?formatC

In your case:
  formatC(i, width=2, flag=0)

Uwe
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