felix0000's questions

The idea is to execute a command and capture the response in a variable so that it can be processed.

const { stdout } = require('process');

function files(command, arg) {
    const { spawn } = require('child_process');
    const ls = spawn(command, [arg, '/home']);
    ls.stdout.on('data', (data) => {
        console.log(`stdout: ${data}`);
        return data;
    });
}

var ej = files("dir", "")
console.log("eje => " + ej);

When executing the following line you get:

 console.log(`stdout: ${data}`);

    stdout: /home/test/Descargas: a.jpg  link.txt

When trying to return the value appears undefined

return data; 
console.log("eje => " + ej);

eje=> undefined

The idea is to upload files to an express server keeping the original name.

HTML form

<form action="/procesar" method="post">
    <div class="form-group">
        <label for="exampleFormControlFile1">Cargar archivo nuevo</label>
        <input type="file" class="form-control-file" id="FormControlFile1" name="FormControlFile1">
    </div>
    <div class="form-group">
        <button type="submit" class="btn btn-primary mb-2">Procesar</button>
        <button type="button" class="btn btn-danger mb-2" id="uno">Eliminar</button>
    </div>
</form>

servers

router.post('/procesar', (req, res) => {
    if (!req.files || Object.keys(req.files).length === 0) {
        return res.status(400).send('No files were uploaded.');
    }

    // The name of the input field is used to retrieve the uploaded file
    let FormControlFile1= req.files.FormControlFile1;

    // Use the mv() method to place the file somewhere on your server
    FormControlFile1.mv('/temp/file.txt', function (err) {
        if (err)
            return res.status(500).send(err);

        res.send('File uploaded!');
    });
});

===> express-fileupload Examples <===

When uploading a file.txt you get: No files were uploaded .

I am trying to create a module from a class but when importing it an error is generated.

C:\Program Files\nodejs\node.exe --inspect-brk=16691 applog.js Debugger listening on ws://127.0.0.1:16691/eb2bbf-a502-435d-9785-efae3b332 For help,see: https: //nodejs.org/en/docs/inspector Debugger attached.

Waiting for c:\temp\node\logs_old\applog.js:2 import Logs from ("./Modulo/logs.js"); ^^^^^^

SyntaxError: Cannot use import statement outside a module at Module._compile (internal/modules/cjs/loader.js:892:18) at Object.Module._extensions..js (internal/modules/cjs/loader.js:973: 10) at Module.load (internal/modules/cjs/loader.js:812:32) at Function.Module._load (internal/modules/cjs/loader.js:724:14) at Function.Module.runMain (internal /modules/cjs/loader.js:1025:10) at internal/main/run_main_module.js:17:11 he debugger to disconnect...

logs.js class file

class Logs{
  // Modulo exportado
  constructor(path,name,data){
    this.path = path;
    this.name = name;
    this.data = data;
    console.log("Objeto log creado OK.");
  }

  getPath() {
    return this.path;
  }
  getName() {
    return this.name;
  }
  getData() {
    return this.data;
  }

  setPath(newPath){
    this.path = newPath;
  }

  setName(newName){
    this.name = newName;
  }

  setData(newData){
    this.data = newData;
  }
}
export default Logs;

applog.js file

// Importar clases
import Logs from ("./Modulo/logs.js");

// Creacion de objeto
//var applogInstance = new logs();

// Pruebas de metodos
//applogInstance.write('./app.log','app.log','987654');

How to import classes in JavaScript

I am trying to set up an FTP server with Filezila to perform an automatic synchronization of the files when establishing the connection. I have managed to enable the comparison of the folders but I cannot make the copy automatically.

Attached a screenshot of the Filezilla client