Yea, thanks all. I checked back and I got a few things mistyped. The array is 650,000 and it took 25 seconds :p. It's acceptable. Just that I had too many variable at the time I ran it.
Also, seems like sprintf is a little faster. Thanks all. Anh Tran On Mon, May 12, 2008 at 2:55 PM, Uwe Ligges <[EMAIL PROTECTED]> wrote: > > > Anh Tran wrote: > > > Thanks. formatC(flag) works. > > > > But it's awefully slow. I try to do that for 65000 numbers (generating > > ID > > for each item) and it seems like forever. > > > > On my not that recent laptop: > > > system.time(formatC(1:65000, width=10, flag="0")) > user system elapsed > 1.92 0.00 1.94 > > > I think 2 seconds is less than "forever". > > Uwe Ligges > > > > > > > Is there any faster way? > > > > Thank all. > > > > Anh Tran > > > > On Mon, May 12, 2008 at 2:36 PM, Uwe Ligges < > > [EMAIL PROTECTED]> wrote: > > > > > > > Anh Tran wrote: > > > > > > Hi, > > > > What's one way to convert an integer to a string with preceding 0's? > > > > such that > > > > '13' becomes '00000000013' > > > > to be put into a string > > > > > > > > I've tried formatC, but they removes all the zeros and replace it > > > > with > > > > blanks > > > > > > > > Not so for me: > > > > > > formatC(13, digits=10, flag="0") > > > > > > Uwe LIgges > > > > > > > > > > > > Thanks > > > > > > > > > > > > > > > > -- Regards, Anh Tran [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.