Node fs.existsSync() Method
Last Updated :
15 Jan, 2024
The fs.existsSync() method is used to synchronously check if a file already exists in the given path or not. It returns a boolean value which indicates the presence of a file.
Syntax:
fs.existsSync( path )
Parameters:
This method accepts a single parameter as mentioned above and described below:
- path: It holds the path of the file that has to be checked. It can be a String, Buffer, or URL.
Return Value:
It returns a boolean value i.e true if the file exists otherwise returns false.
Example 1: Below programs illustrate the fs.existsSync() method in Node.js:
Javascript
const fs = require('fs');
getCurrentFilenames();
let fileExists = fs.existsSync('hello.txt');
console.log("hello.txt exists:", fileExists);
fileExists = fs.existsSync('world.txt');
console.log("world.txt exists:", fileExists);
function getCurrentFilenames() {
console.log("\nCurrent filenames:");
fs.readdirSync(__dirname).forEach(file => {
console.log(file);
});
console.log("\n");
}
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Output:
Current filenames:
hello.txt
index.js
package.json
hello.txt exists: true
world.txt exists: false
Example 2: Below programs illustrate the fs.existsSync() method in Node.js