feat(core): Improvements/overhaul for nodes working with binary data (#7651)

Github issue / Community forum post (link here to close automatically):

---------

Co-authored-by: Giulio Andreini <andreini@netseven.it>
Co-authored-by: Marcus <marcus@n8n.io>

packages/nodes-base/nodes/Files/ReadWriteFile/ReadWriteFile.node.ts

@@ -0,0 +1,73 @@
+import type {
+	IExecuteFunctions,
+	INodeExecutionData,
+	INodeType,
+	INodeTypeDescription,
+} from 'n8n-workflow';
+
+import * as read from './actions/read.operation';
+import * as write from './actions/write.operation';
+
+export class ReadWriteFile implements INodeType {
+	description: INodeTypeDescription = {
+		displayName: 'Read/Write Files from Disk',
+		name: 'readWriteFile',
+		icon: 'file:readWriteFile.svg',
+		group: ['input'],
+		version: 1,
+		description: 'Read or write files from the computer that runs n8n',
+		defaults: {
+			name: 'Read/Write Files from Disk',
+		},
+		inputs: ['main'],
+		outputs: ['main'],
+		properties: [
+			{
+				displayName:
+					'Use this node to read and write files on the same computer running n8n. To handle files between different computers please use other nodes (e.g. FTP, HTTP Request, AWS).',
+				name: 'info',
+				type: 'notice',
+				default: '',
+			},
+			{
+				displayName: 'Operation',
+				name: 'operation',
+				type: 'options',
+				noDataExpression: true,
+				options: [
+					{
+						name: 'Read File(s) From Disk',
+						value: 'read',
+						description: 'Retrieve one or more files from the computer that runs n8n',
+						action: 'Read File(s) From Disk',
+					},
+					{
+						name: 'Write File to Disk',
+						value: 'write',
+						description: 'Create a binary file on the computer that runs n8n',
+						action: 'Write File to Disk',
+					},
+				],
+				default: 'read',
+			},
+			...read.description,
+			...write.description,
+		],
+	};
+
+	async execute(this: IExecuteFunctions) {
+		const operation = this.getNodeParameter('operation', 0, 'read');
+		const items = this.getInputData();
+		let returnData: INodeExecutionData[] = [];
+
+		if (operation === 'read') {
+			returnData = await read.execute.call(this, items);
+		}
+
+		if (operation === 'write') {
+			returnData = await write.execute.call(this, items);
+		}
+
+		return [returnData];
+	}
+}