R/utils.R
peek.Rd
This returns a character vector which shows the top n lines of a file.
peek(x, n = 5)
a filename
the number of lines to return
A character vector of the first n lines of the file.
if (FALSE) { filename <- tempfile() x <- matrix(round(rnorm(10^4), 2), 1000, 10) colnames(x) <- letters[1:10] write.table(x, file = filename, row.names = FALSE, quote = FALSE) peek(filename) }