I'm encountering a mysterious error with an undefined string. Can anyone provide guidance on how to resolve this issue

I need help making adjustments to my code in order for people on Discord to write into my text file without creating an extra blank line. Currently, my code looks like this:

client.on("message", msg => {
  const triggerWords = ['ff'];
  const fs = require('fs');
  const args = msg.content.trim().split(/ +/g);

  triggerWords.forEach((word) => {
    if(msg.content.includes(word)) {
      const con = args[1];
      const content = ` ${con}\n`
      fs.appendFile('textart.txt',content,err => {
        if(err) {
          console.error(err)
          return
        }
      })
    }
  })
});

My desired output in the txt file is as follows:

1 joke1
2 joke2
3 joke3

However, I am currently experiencing an issue where an extra blank line is added at the end, resulting in the following output:

1 joke1
2 joke2
3 joke3
4

How can I modify the code to prevent the creation of this extra blank line? Any assistance would be greatly appreciated! Have a wonderful day!

Answer №1

Without more context, it's hard to determine the exact purpose of this line in your code:

const line = fs.readFileSync('textart.txt', "utf8").split("\n").leh

It seems like the mistake here is using .split(), which returns an array, and then trying to access a property .leh that doesn't exist. This will result in the line variable being undefined. Perhaps you meant to use .length instead?

Next time, consider logging your variables to help troubleshoot issues like this.

Answer №2

To properly format the string, add the \n before the content:

const updatedContent = `\n ${content}`

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