Process Multiple Files with Forms: A Tutorial on Binary Data and Loops — n8n Workflow

Laag complexiteit⚡ Trigger5 knooppunten🏷️ File Management👁 185 weergavendoor Wyeth

Overzicht

Let a user load multiple files with a Form node, and process the binary data. A very important workflow for many tools.

This is a learning example of several core concepts that are hard to grasp in n8n: $binary data Loop and $runIndex Split Out

The Save File deomonstrates how to access the binary data correctly, but could be swapped to POST the files to an AI, for example.

Gebruikte knooppunten

Loop Over ItemsSave Each FileSplit Out FilesForm - Load Multiple FilesSticky Note4Continue Once

Workflow-voorvertoning

Learning n8n

Loops, Multiple Binary Files, {{$runIndex}}

Loops are rarely needed in n8n, but here is one example

Use a Form to load multiple files.

This is a case where n8n will NOT fire an event per fil

However, we want to process the fi

Split Out will fix this, firing one event for

*We must make sure to pass binary data along.*

Now we can use a Loop to handle each file, on

With this setup, the special {{$runIndex}} can be used

We use it to get the correct binary file, which has bee

We typically only want to proceed downstream

Loop Over Items

Save Each File

Split Out Files

⚡

Form - Load Multiple Files

Continue Once

5 nodes5 edges

Hoe het werkt

1
Trigger
De workflow start met een trigger-trigger.
2
Verwerking
Gegevens stromen door 5 knooppunten, connecting formtrigger, readwritefile, splitinbatches.
3
Uitvoer
De workflow voltooit zijn automatisering en levert het resultaat aan de geconfigureerde bestemming.

Knooppuntdetails (5)

Loop Over Items

splitInBatches

Save Each File

readWriteFile

Split Out Files

splitOut

Form - Load Multiple Files

formTrigger

Sticky Note4

stickyNote

Continue Once

noOp

Hoe deze workflow te importeren

1Klik op de knop JSON downloaden rechts om het workflowbestand op te slaan.
2Open uw n8n-instantie. Ga naar Workflows → Nieuw → Importeren uit bestand.
3Selecteer het gedownloade bestand process-multiple-files-with-forms-a-tutorial-on-binary-data-and-loops en klik op Importeren.
4Stel inloggegevens in voor elk serviceknooppunt (API-sleutels, OAuth, enz.).
5Klik op Workflow testen om te controleren of alles werkt, activeer het vervolgens.

Of plak rechtstreeks in n8n → Importeren uit JSON:

{ "name": "Process Multiple Files with Forms: A Tutorial on Binary Data and Loops", "nodes": [...], ...}

Integraties

formtriggerreadwritefilesplitinbatchessplitout

Haal deze workflow op

Download en importeer met één klik

JSON downloaden Bekijken op n8n.io

Knooppunten5

Complexiteitlow

Triggertrigger

CategorieFile Management

Gemaakt door

Wyeth

@wyeth

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