csv_write_options {arrow}

CSV Writing Options

Description

CSV Writing Options

Usage

csv_write_options(
  include_header = TRUE,
  batch_size = 1024L,
  null_string = "",
  delimiter = ",",
  eol = "\n",
  quoting_style = c("Needed", "AllValid", "None")
)

Arguments

include_header

Whether to write an initial header line with column names

batch_size

Maximum number of rows processed at a time.

null_string

The string to be written for null values. Must not contain quotation marks.

delimiter

Field delimiter

eol

The end of line character to use for ending rows

quoting_style

How to handle quotes. "Needed" (Only enclose values in quotes which need them, because their CSV rendering can contain quotes itself (e.g. strings or binary values)), "AllValid" (Enclose all valid values in quotes), or "None" (Do not enclose any values in quotes).

Examples

tf <- tempfile()
on.exit(unlink(tf))
write_csv_arrow(airquality, tf, write_options = csv_write_options(null_string = "-99"))