Read and write the first n lines of a file

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Description

Read first n lines of filein and write them to fileout, where filein and fileout are file names.

Usage

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readWriteFirst(filein, fileout, n)

Arguments

filein

input file

fileout

output file

n

number of lines to write

Author(s)

Cathy Laurie

Examples

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path <- system.file("extdata", "affy_raw_data", package="GWASdata")
file <- paste(path, list.files(path)[1], sep="/")
outf <- tempfile()
readWriteFirst(file, outf, 20)
file.remove(outf)

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