Create A Sha2 (Sha256 or Sha512) Hash From A File

---
[dependencies]
anyhow = "1.0.98"
sha2 = "0.10.8"
---

use anyhow::Result;
use sha2::{Digest, Sha256};

fn main() -> Result<()> {
  let input = "hello, world".to_string();
  let output = get_string_as_sha256_hash(&input)?;
  println!("{}", output);
  Ok(())
}

fn get_string_as_sha256_hash(input: &String) -> Result<String> {
  let mut hasher = Sha256::new();
  hasher.update(input.as_bytes());
  let result: String = format!("{:X}", hasher.finalize());
  Ok(result)
}