Rust program to create an empty file

Rust | File I/O Example: Write a program to create an empty file.
Submitted by Nidhi, on October 30, 2021

Problem Solution:

In this program, we will create an empty file using File::create() function and print an appropriate message on the console screen based on the successful creation of the file.

Program/Source Code:

The source code to create an empty file is given below. The given program is compiled and executed on UBUNTU 18.04 successfully.

// Rust program to create an empty file

fn main() {
   std::fs::File::create("empty.txt").expect("create failed");
   println!("File created successfully");
}

Output:

$ rustc main.rs
$ ./main
File created successfully
$ ls
empty.txt  main  main.rs

Explanation:

Here, we created an empty file "empty.txt" using File::create() function. If file creation failed due to any permission issue, then "create failed" will be printed. Otherwise "File created successfully" message will be printed.

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