initial commit

src/main.rs

@@ -0,0 +1,24 @@
+use std::{
+    fs,
+    io::{BufReader, Read, Write},
+};
+use xxhash_rust::xxh3::xxh3_128;
+
+fn main() {
+    let filename = "/home/askiiart/whyy/testing/stuff-100M";
+    let mut stuff = fs::File::open(filename).unwrap();
+    let file_size: u64 = stuff.metadata().unwrap().len();
+
+    let mut buf = BufReader::new(stuff);
+    let mut out = fs::File::create("output").unwrap();
+
+    let mut data = [0; 16];
+    buf.read_exact(&mut data);
+    out.write(&xxh3_128(&data).to_be_bytes());
+    let mut location: u64 = 0;
+    while location <= file_size / 16 {
+        buf.read_exact(&mut data);
+        location += 1;
+        out.write(&xxh3_128(&data).to_be_bytes());
+    }
+}