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

Niedrig Komplexität⚡ Auslöser5 Knoten🏷️ File Management👁 185 Aufrufevon Wyeth

Übersicht

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.

Verwendete Knoten

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

Workflow-Vorschau

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

So funktioniert es

1
Auslöser
Der Workflow startet mit einem auslöser-Auslöser.
2
Verarbeitung
Die Daten fließen durch 5 Knoten, connecting formtrigger, readwritefile, splitinbatches.
3
Ausgabe
Der Workflow schließt seine Automatisierung ab und liefert das Ergebnis an das konfigurierte Ziel.

Knotendetails (5)

Loop Over Items

splitInBatches

Save Each File

readWriteFile

Split Out Files

splitOut

Form - Load Multiple Files

formTrigger

Sticky Note4

stickyNote

Continue Once

noOp

So importieren Sie diesen Workflow

1Klicken Sie rechts auf die Schaltfläche JSON herunterladen, um die Workflow-Datei zu speichern.
2Öffnen Sie Ihre n8n-Instanz. Gehen Sie zu Workflows → Neu → Aus Datei importieren.
3Wählen Sie die heruntergeladene Datei process-multiple-files-with-forms-a-tutorial-on-binary-data-and-loops und klicken Sie auf Importieren.
4Richten Sie Anmeldedaten für jeden Dienstknoten ein (API-Schlüssel, OAuth usw.).
5Klicken Sie auf Workflow testen, um zu überprüfen, ob alles funktioniert, und aktivieren Sie es dann.

Oder direkt in n8n → Aus JSON importieren einfügen:

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

Integrationen

formtriggerreadwritefilesplitinbatchessplitout

Diesen Workflow holen

Herunterladen und mit einem Klick importieren

JSON herunterladen Auf n8n.io ansehen

Knoten5

Komplexitätlow

Auslösertrigger

KategorieFile Management

Erstellt von

Wyeth

@wyeth

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