getnrows: Get the number of rows of the file

In jayemerson/YaleToolkit: Data exploration tools from Yale University.

Description

Use iterators to avoid the memory overhead of obtaining the number of rows of a file.

Usage

getnrows(file, n = 10000)

Arguments

file	the name of a file (possible with a path)
n	the size of the chunks used by the iterator

Value

an integer

Examples

data(CO2)
write.csv(CO2, "CO2.csv", row.names=FALSE)
getnrows("CO2.csv")

jayemerson/YaleToolkit documentation built on May 18, 2019, 5:57 p.m.