Read lines from a file or string by chunk.
read_lines_chunked( file, callback, chunk_size = 10000, skip = 0, locale = default_locale(), na = character(), progress = show_progress() ) read_lines_raw_chunked( file, callback, chunk_size = 10000, skip = 0, progress = show_progress() )
Either a path to a file, a connection, or literal data (either a single string or a raw vector).
Files ending in
Literal data is most useful for examples and tests. To be recognised as a
path, it must be wrapped with
Using a value of
A callback function to call on each chunk
The number of rows to include in each chunk
Number of lines to skip before reading data.
The locale controls defaults that vary from place to place.
The default locale is US-centric (like R), but you can use
Character vector of strings to interpret as missing values. Set this
Display a progress bar? By default it will only display
in an interactive session and not while knitting a document. The automatic
progress bar can be disabled by setting option