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FileTransform FileTransform

yaml
type: "io.kestra.plugin.scripts.nashorn.FileTransform"

Transform ion format file from Kestra's internal storage with a Nashorn (JavaScript) script.

Examples

Transform with file from internal storage

yaml
id: "file_transform"
type: "io.kestra.plugin.scripts.nashorn.FileTransform"
from: "{{ outputs['avro-to-gcs'] }}"
script: |
  logger.info('row: {}', row)

  if (row['name'] === 'richard') {
    row = null
  } else {
    row['email'] = row['name'] + '@kestra.io'
  }

Transform JSON string input with a Nashorn script.

yaml
id: "file_transform"
type: "io.kestra.plugin.scripts.nashorn.FileTransform"
from: "[{\"name":\"jane\"}, {\"name\":\"richard\"}]"
script: |
  logger.info('row: {}', row)

  if (row['name'] === 'richard') {
    row = null
  } else {
    row['email'] = row['name'] + '@kestra.io'
  }

Properties

from

  • Type: string
  • Dynamic: ✔️
  • Required: ✔️

Source file containing rows to transform. Can be Kestra's internal storage URI, a map or a list.

concurrent

  • Type: integer
  • Dynamic:
  • Required:
  • Minimum: >= 2

Number of concurrent parallel transformations to execute. Take care that the order is not respected if you use parallelism.

script

  • Type: string
  • Dynamic: ✔️
  • Required:

A full script.

Outputs

uri

  • Type: string
  • Dynamic:
  • Required:
  • Format: uri

URI of a temporary result file. The file will be serialized as ion file.