Read large text file by splitting lines.
big_fread1(file, every_nlines, .transform = identity,
.combine = rbind_df, skip = 0, ..., print_timings = TRUE)
Path to file that you want to read.
Maximum number of lines in new file parts.
Function to transform each data frame corresponding to each
part of the file
. Default doesn't change anything.
Function to combine results (list of data frames).
Number of lines to skip at the beginning of file
.
Other arguments to be passed to data.table::fread,
excepted input
, file
, skip
, col.names
and showProgress
.
Whether to print timings? Default is TRUE
.
A data.frame
by default; a data.table
when data.table = TRUE
.