[R] using sprintf with dates

[Jeffrey Horner]

stephen bond wrote on 10/02/2007 08:36 AM:
> hello,
> 
> Please help with using sprintf with character variables:
> The following does not produce what i intended
> 
> foot=function(){
>   str1=format(Sys.Date,"%Y%m%d")
>   sprintf("99%-4s%s","nm",str1)
> }
> 
> I wanted to have "99nm  20071002" as the output.

You forgot the parens after Sys.Date:

foot=function(){
   str1=format(Sys.Date(),"%Y%m%d")
   sprintf("99%-4s%s","nm",str1)
}

Jeff
-- 
http://biostat.mc.vanderbilt.edu/JeffreyHorner