Hi Ken, > How about something like > length(readLines(fname))
I'm trying to avoid the overhead of reading the file in twice. (I'm trying to preallocate a data structure for a chunked read) Hadley -- http://had.co.nz/ ______________________________________________ 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.