chunk

chunk(array, size) → array of arrays · Array

Split an array into sub-arrays of the given size. Last chunk may be smaller.

array (required): the array to split
size (required): maximum elements per chunk

bash

echo '{"items": ["A", "B", "C", "D", "E", "F", "G"]}' \
  | utlx -e 'chunk($input.items, 3)'
# [["A", "B", "C"], ["D", "E", "F"], ["G"]]

utlx

// Batch processing — send items in groups of 100
{
  batches: map(chunk($input.records, 100), (batch) -> {
    batchSize: count(batch),
    items: batch
  })
}

chunk ​

chunk