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Actions22

Task → Update Loop Items

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Overview

This node operation updates the loop items of a specified loop action within a task in Octoparse. It allows users to either replace the existing loop items or append new items to the current list. This is useful for dynamically modifying the items that a loop action processes during task execution, such as updating a list of URLs or text items to iterate over.

Use Case Examples

  1. Updating a loop action in a web scraping task to include new URLs for extraction.
  2. Appending additional text items to an existing loop in a data processing task.

Properties

Name Meaning
Task Group Select the task group containing the task to update.
Task Select the specific task to update the loop items for, within the chosen task group.
Action Select the loop action within the task whose loop items will be updated.
Loop Type Specify the type of loop items, either a list of text items or URLs.
Loop Items The new loop items to set or append, entered as a multiline string with one item per line.
Append Boolean flag indicating whether to append the new loop items to the existing list (true) or replace the existing list (false).

Output

JSON

  • taskId - The ID of the task that was updated.
  • actionId - The ID of the loop action that was updated.
  • loopType - The type of the loop items updated (TextList or UrlList).
  • loopItems - The updated list of loop items after the operation.

Dependencies

  • Octoparse API with an API key credential for authentication

Troubleshooting

  • Ensure the selected task group, task, and action IDs are valid and accessible with the provided API credentials.
  • Verify that the loop items are provided as a multiline string with one item per line; empty lines are ignored.
  • If the API returns errors, check network connectivity and API rate limits.
  • If appending items, confirm that the existing loop items are compatible with the new items in type and format.

Discussion