zarrs_ncvar2zarr: output size change in human readable bytes

CHANGELOG.md

@@ -16,6 +16,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
    - `zarrs_ome` also supports an `overwrite` option
  - `zarrs_ncvar2zarr`:
   - clear progress bars on finish
+  - output size change in human readable bytes
 
 ## [0.4.0] - 2024-04-20
 

src/bin/zarrs_ncvar2zarr.rs

@@ -1,5 +1,5 @@
 use clap::Parser;
-use indicatif::{MultiProgress, ProgressBar, ProgressStyle};
+use indicatif::{DecimalBytes, MultiProgress, ProgressBar, ProgressStyle};
 use rayon::{iter::ParallelIterator, slice::ParallelSlice};
 use std::{
     path::PathBuf,
@@ -346,9 +346,12 @@ fn main() {
 
     // Output stats
     let duration_ms = duration_s * 1.0e3;
-    let gbs = (bytes_read as f32 * 1e-9) / duration_s;
     let size_out = store.size().unwrap();
     // let space_saving = 100.0 * (1.0 - (size_out as f32 / bytes_read as f32));
     let relative_size = 100.0 * (size_out as f32 / bytes_read as f32);
-    println!("Output {path_out:?} in {duration_ms:.2}ms ({gbs:.2} GB/s) [{bytes_read}B -> {size_out}B ({relative_size:.2}%)]");
+    println!("Output {path_out:?} in {duration_ms:.2}ms ({gbs:.2} GB/s) [{bytes_read} -> {size_out} ({relative_size:.2}%)]",
+        gbs = (bytes_read as f32 * 1e-9) / duration_s,
+        bytes_read = DecimalBytes(bytes_read as u64),
+        size_out = DecimalBytes(size_out as u64),
+    );
 }