Hello,
I believe there's nothing OS dependent about this:
# pad with zeros
padz <- function(x, n=max(nchar(x))) gsub(" ", "0", formatC(x, width=n))
padz(c(1, 10, 100), 5)
padz(c("a", "aa"))
padz(c("a", "aa"), 5)
Rui Barradas
Michael Weylandt wrote
>
> I think once upon a time this was found to be OS-dependent since it
> calls the system's C sprintf() -- I get the leading zeros on Mac. I
> presume you're on Windows?
>
> Michael
>
> On Tue, May 22, 2012 at 2:41 PM, Hui Du <Hui.Du@> wrote:
>> Dear All,
>>
>> This question sounds very simple but I don't know where I am wrong. I
>> just want to pad leading zeros in some string, for example, "123" becomes
>> "00123". What is wrong if I do following?
>>
>>> sprintf("%05s", "123")
>> [1] " 123"
>>
>>
>> It didn't return "00123", instead it padded with 'blank'.
>>
>>
>> Thank you for your help in advance.
>>
>> HXD
>>
>> [[alternative HTML version deleted]]
>>
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>
> ______________________________________________
> R-help@ mailing list
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
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