Simple file based key value store (WriteKey) — n8n Workflow
Overview
Store a key with a value in a local json file. Multiple keys could be saved in a single file.
Related workflow: GetKey
Create a subfolder in your n8n homedir: /home/node/.n8n/local-files. In docker look at the data path and create a subfolder local-files. Set the correct access rights chmod 1000.1000 local-files.
Put the workflow code in a new workflow named WriteKey.
Create another workflow with a function item:
return { file: '/4711.json', // 4711 should be your workflow id key: 'MyK
Nodes used
Workflow Preview
How it Works
- 1
Trigger
The workflow starts with a trigger trigger.
- 2
Process
Data flows through 10 nodes, connecting functionitem, if, manualtrigger.
- 3
Output
The workflow completes its automation and delivers the result to the configured destination.
Node Details (10)
On clicking 'execute'
manualTrigger
Write Binary File
writeBinaryFile
Done
functionItem
Read Binary Files
readBinaryFiles
JSONToBinary
moveBinaryData
SplitInBatches
splitInBatches
Repeat
if
How to Import This Workflow
- 1Click Download JSON button on the right to save the workflow file.
- 2Open your n8n instance. Go to Workflows → New → Import from file.
- 3Select the downloaded
simple-file-based-key-value-store-writekeyfile and click Import. - 4Set up credentials for each service node (API keys, OAuth, etc.).
- 5Click Test Workflow to verify everything works, then activate it.
Or paste directly in n8n → Import from JSON:
Integrations
Created by
Peter
@rottmann
Tags
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