thisisnic commented on a change in pull request #10141:
URL: https://github.com/apache/arrow/pull/10141#discussion_r625050158
##########
File path: r/R/csv.R
##########
@@ -585,3 +613,55 @@ readr_to_csv_convert_options <- function(na,
include_columns = include_columns
)
}
+
+#' Write CSV file to disk
+#'
+#' @param x `data.frame`, [RecordBatch], or [Table]
+#' @param sink A string file path, URI, or [OutputStream], or path in a file
+#' system (`SubTreeFileSystem`)
+#' @param include_header Whether to write an initial header line with column
names
+#' @param batch_size Maximum number of rows processed at a time. Default is
1024.
+#'
+#' @return The input `x`, invisibly. Note that if `sink` is an [OutputStream],
+#' the stream will be left open.
+#' @export
+#' @examples
+#' \donttest{
+#' tf <- tempfile()
+#' on.exit(unlink(tf))
+#' write_csv_arrow(mtcars, tf)
+#' }
+#' @include arrow-package.R
+write_csv_arrow <- function(x,
+ sink,
+ include_header = TRUE,
+ batch_size = 1024L
+ ) {
+ # Handle and validate options before touching data
+ batch_size <- as.integer(batch_size)
+ assert_that(batch_size > 0)
+ assert_that(length(include_header) == 1)
+ assert_that(is.logical(include_header))
+
+ write_options = CsvWriteOptions$create(include_header, batch_size)
Review comment:
Updated
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