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Question - How do I delete the (temp) files on the server? about connect-multiparty HOT 2 CLOSED

expressjs commented on May 3, 2024

Question - How do I delete the (temp) files on the server?

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Comments (2)

dougwilson commented on May 3, 2024 2

Hi @IamRudra, you should do this in two parts:

Always ensure that your os.tempDir() (or whatever you pass as the uploadDir option) is periodically reaped by your OS (for example, using a cron job on Linux).
In your Node.js code, after processing, iterate through the req.files and use fs.unlink to delete all the files. The note is there to call out that you cannot simply only call fs.unlink on the files you handled; you have to delete everything in the req.files object.

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peterdemin commented on May 3, 2024

Just in case someone is looking for a code snippet to do this, here's the GPT-3.5 code example:

const express = require('express');
const multipart = require('connect-multiparty');
const fs = require('fs');

const app = express();

// Middleware for file uploads
app.use(multipart());

// Route for file upload
app.post('/upload', (req, res) => {
  // Access uploaded files through req.files
  const uploadedFiles = req.files;

  // Iterate through uploaded files and delete them
  for (const fileKey in uploadedFiles) {
    const filePath = uploadedFiles[fileKey].path;

    // Delete the file using fs.unlink
    fs.unlink(filePath, (err) => {
      if (err) {
        console.error(`Error deleting file ${filePath}:`, err);
      } else {
        console.log(`Successfully deleted file ${filePath}`);
      }
    });
  }

  // Send response
  res.send('Files deleted');
});

// Start the server
app.listen(3000, () => {
  console.log('Server listening on port 3000');
});