get_lines: Read in specified lines from a text file
In djvanderlaan/LaF: Fast Access to Large ASCII Files

Description Usage Arguments Details Value See Also Examples

Read in specified lines from a text file

1	get_lines(filename, line_numbers)

`filename`	character containing the filename of the file from which the lines should be read.
`line_numbers`	A vector containing the lines that should be read.

Line numbers larger than the number of lines in the file are ignored. Missing values are returned for these.

Returns a character vector with the specified lines.

See readLines to read in all lines a text file; sample_lines can be used to read in random lines.

# Create temporary filename
tmpcsv  <- tempfile(fileext="csv")

writeLines(letters[1:20], con=tmpcsv)
get_lines(tmpcsv, c(1, 10))

# Cleanup
file.remove(tmpcsv)