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by balnaphone
746 days ago
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I suppose R might be a better choice... library(readr)
library(dplyr)
library(purrr)
data <- read_csv("input.csv")
chunk_size <- 500
chunks <- split(data, ceiling(seq_along(1:nrow(data))/chunk_size))
iwalk(chunks, ~write_csv(.x, sprintf("data-%04d.csv", .y)))
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