read_blocks/
read_blocks.rs

1use std::collections::BTreeMap;
2use std::env;
3use std::error::Error;
4use std::fs::File;
5
6use sbf_tools::SbfReader;
7
8fn main() -> Result<(), Box<dyn Error>> {
9    let path = env::args()
10        .nth(1)
11        .ok_or("usage: cargo run --example read_blocks -- <path-to-file.sbf>")?;
12
13    let file = File::open(&path)?;
14    let reader = SbfReader::new(file);
15    let mut counts = BTreeMap::<&'static str, u64>::new();
16
17    for block in reader {
18        let block = block?;
19        *counts.entry(block.name()).or_default() += 1;
20    }
21
22    for (name, count) in counts {
23        println!("{count:>8}  {name}");
24    }
25
26    Ok(())
27}

read_blocks/read_blocks.rs

read_blocks/
read_blocks.rs