Question 88641 in Javascript Question posted in
A very good W3school tutorial can be found here.

"Error: ENOENT: no such file or directory" when trying to save a file – Javascript

I’m trying to create a json file using my website (that I will later deploy). This is the code I’m using

saveFile = (i, data) => {
  var filename = `${i}_may.json`;
  var folder_list = ["desktop", "data", filename];
  var dir = ".";
  folder_list.forEach(function (x, i) {
    dir = require("path").join(dir, `${x}`);
    if (!fs.existsSync(dir)) {
      fs.writeFileSync(dir, JSON.stringify(data));
    }
  });
};

But I keep getting this error

Error: ENOENT: no such file or directory, open 'desktopdata'


  errno: -4058,
  syscall: 'open',
  code: 'ENOENT',
  path: 'desktop\data'

Of course the folder exists in my desktop. Is there a way to make it works but in local and after the deployment?

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2

Answers


  1. 0

    To save a file to [current_dir]desktopdata, you can use the following code:

    saveFile = (i, data) => {
  const filename = `${i}_may.json`;
  const dir = require("path").join("desktop", "data", filename);
  console.log(dir);

  if (!fs.existsSync(dir)) {
    fs.writeFileSync(dir, JSON.stringify(data));
  }
};

    Notice that the correct way to declare the path is to use require("path").join('desktop','data',filename), which ensures that the path is properly constructed regardless of the platform you are running on.

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  2. 0

    I dont see why you are using forEach if you ultimately want to execute the writing only once.

    Also, using an absolute path is a better choice here. Regardless of your working dir, the script will always save the file in the correction location.

    const path = require('path');
const fs = require('fs');

saveFile = (i, data) => {
  var filename = `${i}_may.json`;
  var dir = path.join(process.env.HOME, "Desktop", "data", filename);
  fs.writeFileSync(dir, JSON.stringify(data));
};
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