rbindlist.disk.frame: rbindlist disk.frames together

In xiaodaigh/disk.frame: Larger-than-RAM Disk-Based Data Manipulation Framework

rbindlist disk.frames together

Description

rbindlist disk.frames together

Usage

rbindlist.disk.frame(
  df_list,
  outdir = tempfile(fileext = ".df"),
  by_chunk_id = TRUE,
  parallel = TRUE,
  compress = 50,
  overwrite = TRUE,
  .progress = TRUE
)

Arguments

df_list	A list of disk.frames
outdir	Output directory of the row-bound disk.frames
by_chunk_id	If TRUE then only the chunks with the same chunk IDs will be bound
parallel	if TRUE then bind multiple disk.frame simultaneously, Defaults to TRUE
compress	0-100, 100 being the highest compression rate.
overwrite	overwrite the output directory
.progress	A logical, for whether or not to show progress.

Examples

cars.df = as.disk.frame(cars)

# row-bind two disk.frames
cars2.df = rbindlist.disk.frame(list(cars.df, cars.df))

# clean up cars.df
delete(cars.df)
delete(cars2.df)

xiaodaigh/disk.frame documentation built on Feb. 3, 2023, 10:04 p.m.