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.
1 2 3 4 5 6 7 8 | # Create temporary filename
tmpcsv <- tempfile(fileext="csv")
writeLines(letters[1:20], con=tmpcsv)
get_lines(tmpcsv, c(1, 10))
# Cleanup
file.remove(tmpcsv)
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