\name{utilities}
\alias{countLines}

\title{Utilities for working with short-read data sets}
\description{
  These functions provide efficient ways of obtaining information
  related to short reads.
}
\usage{
countLines(filepaths)
}
\arguments{
  \item{filepaths}{Character vector of file paths.}
}
\details{
  \code{countLines} counts the number of lines in each file represented
  in its argument.
}
\value{
  \code{countLines} returns an integer vector of line counts per file.
}
\author{Martin Morgan <mtmorgan@fhcrc.org>}
\examples{
egFile <- system.file('extdata', 's_1_sequence.txt',
                       package='BiostringsCinterfaceDemo')
countLines(egFile)
}
\keyword{manip}