Q:

Rust program to write text into the file

belongs to collection: Rust File I/O Programs

YasminRadwan26
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2022-07-19
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In this program, we will create a file and write text into a file using the write_all() method and print an appropriate message.

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YasminRadwan26
2022-07-19
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Program/Source Code:

The source code to write text into the file is given below. The given program is compiled and executed on UBUNTU 18.04 successfully.

// Rust program to write text into file

use std::io::Write;

fn main() {
   let mut fileRef = std::fs::File::create("sample.txt").expect("create failed");
   
   fileRef.write_all("Hello World\n".as_bytes()).expect("write failed");
   fileRef.write_all("Hello India\n".as_bytes()).expect("write failed");
   
   println!("Text written into file successfully");
}

Output:

$ rustc main.rs

$ ./main
Text written into file successfully

$ cat sample.txt 
Hello World
Hello India

Explanation:

Here, we created a text file "sample.txt" using File::create() function. Then we wrote text data into the file using the write_all() method and printed the appropriate message.

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