Who is this workflow for? The Simple File-Based Key-Value Store (GetKey) workflow enables you to retrieve values associated with specific keys from a local JSON file. This automated process streamlines data access within your n8n environment, enhancing efficiency and organization..

What does this workflow do?

  • Setup Local Directory:
  • Create a subfolder named local-files in your n8n home directory (/home/node/.n8n/local-files). For Docker setups, locate the data path and create the local-files subfolder there.
  • Set appropriate access rights using the command: chmod 1000:1000 local-files.
  • Deploy GetKey Workflow:
  • Import the provided workflow code into a new workflow named GetKey. This workflow is responsible for reading values from the specified JSON file based on the provided key.
  • Create Function Item Workflow:
  • Develop a separate workflow containing a Function Item node with the following code: javascript return { file: '/4711.json', // Replace '4711' with your workflow ID key: 'MyKey', default: 'Optional returned value if key is empty / not exists' }
  • This function defines the file path, the key to retrieve, and an optional default value if the key does not exist.
  • Connect Workflows:
  • Pipe the output of the Function Item node to an Execution Workflow node that invokes the GetKey workflow. This setup allows dynamic retrieval of values based on the defined key.
  • Deployment and Testing:
  • Ensure both workflows are active and correctly configured.
  • Test the setup by triggering the Function Item workflow and verifying that the correct value is retrieved from the JSON file.

🤖 Why Use This Automation Workflow?

  • Local Data Management: Store and access key-value pairs locally without relying on external databases.
  • Automation Integration: Seamlessly integrate with other workflows, enabling automated data retrieval and processing.
  • Ease of Setup: Simple configuration steps allow quick deployment and minimal maintenance.

👨‍💻 Who is This Workflow For?

This workflow is ideal for developers and automation enthusiasts using n8n who need a straightforward method to manage and retrieve configuration settings, user preferences, or other key-value data locally within their automation workflows.

🎯 Use Cases

  1. Configuration Management: Store application settings or configuration parameters that can be easily accessed and updated through workflows.
  2. User Preferences: Manage user-specific settings or preferences in a centralized local file, enabling personalized automation experiences.
  3. Data Retrieval for Automation: Retrieve specific data points during workflow execution to make dynamic decisions based on stored key-value pairs.

TL;DR

The Simple File-Based Key-Value Store (GetKey) workflow provides an efficient solution for managing and retrieving local key-value pairs within n8n. By following the straightforward setup and integration steps, users can enhance their automation processes with reliable local data access.

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