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read file Rust

. answered on September 13, 2021 Popularity 10/10 Helpfulness 5/10

answer read file Rust

read file Rust

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use std::fs;

fn main() {
  let content = match fs::read_to_string("Cargo.toml") {
    Result::Ok(value) => value,
    Result::Err(error) => panic!("{}", error) 
  };

  println!("{}", content)
}

Popularity 10/10 Helpfulness 5/10 Language rust

Source: Grepper

Tags: file rust

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Contributed on Jun 02 2022

0 Answers Avg Quality 2/10

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read file contents in rust

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use std::fs;

fn main() {
    let data = fs::read_to_string("file_name.txt").expect("Unable to read file");
    println!("{}", data);
}

Popularity 10/10 Helpfulness 10/10 Language rust

Source: Grepper

Tags: file

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Contributed on Sep 13 2021

Bijay Poudel

0 Answers Avg Quality 2/10

how to open a file rust

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use std::fs::File;

fn main() -> std::io::Result<()> {
    let mut f = File::open("foo.txt")?;
    Ok(())
}

Popularity 10/10 Helpfulness 5/10 Language rust

Source: doc.rust-lang.org

Tags: file

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Contributed on Feb 24 2022

Coding Wizard

0 Answers Avg Quality 2/10

file read rust buffer

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use std::fs::File;
use std::io::BufReader;
use std::io::prelude::*;

fn main() -> std::io::Result<()> {
    let file = File::open("foo.txt")?;
    let mut buf_reader = BufReader::new(file);
    let mut contents = String::new();
    buf_reader.read_to_string(&mut contents)?;
    assert_eq!(contents, "Hello, world!");
    Ok(())
}

Popularity 6/10 Helpfulness 1/10 Language rust

Source: doc.rust-lang.org

Tags: buffer file-read rust

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Contributed on Jun 05 2023

Prickly Panther

0 Answers Avg Quality 2/10

read file Rust

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read file Rust

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read file contents in rust

how to open a file rust

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