mirror of
https://github.com/uutils/coreutils
synced 2024-12-14 07:12:44 +00:00
Merge pull request #6226 from mvo5/du-h-precision
du: give `-h` output the same precision as GNU coreutils
This commit is contained in:
commit
7cee2c5a2b
9 changed files with 113 additions and 59 deletions
1
Cargo.lock
generated
1
Cargo.lock
generated
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@ -3325,6 +3325,7 @@ dependencies = [
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"md-5",
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"memchr",
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"nix",
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"number_prefix",
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"once_cell",
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"os_display",
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"sha1",
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@ -19,7 +19,7 @@ chrono = { workspace = true }
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# For the --exclude & --exclude-from options
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glob = { workspace = true }
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clap = { workspace = true }
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uucore = { workspace = true }
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uucore = { workspace = true, features = ["format"] }
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[target.'cfg(target_os = "windows")'.dependencies]
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windows-sys = { workspace = true, features = [
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@ -75,9 +75,6 @@ const ABOUT: &str = help_about!("du.md");
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const AFTER_HELP: &str = help_section!("after help", "du.md");
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const USAGE: &str = help_usage!("du.md");
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// TODO: Support Z & Y (currently limited by size of u64)
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const UNITS: [(char, u32); 6] = [('E', 6), ('P', 5), ('T', 4), ('G', 3), ('M', 2), ('K', 1)];
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struct TraversalOptions {
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all: bool,
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separate_dirs: bool,
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@ -117,7 +114,8 @@ enum Time {
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#[derive(Clone)]
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enum SizeFormat {
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Human(u64),
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HumanDecimal,
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HumanBinary,
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BlockSize(u64),
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}
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@ -549,18 +547,14 @@ impl StatPrinter {
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return size.to_string();
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}
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match self.size_format {
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SizeFormat::Human(multiplier) => {
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if size == 0 {
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return "0".to_string();
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}
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for &(unit, power) in &UNITS {
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let limit = multiplier.pow(power);
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if size >= limit {
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return format!("{:.1}{}", (size as f64) / (limit as f64), unit);
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}
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}
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format!("{size}B")
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}
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SizeFormat::HumanDecimal => uucore::format::human::human_readable(
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size,
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uucore::format::human::SizeFormat::Decimal,
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),
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SizeFormat::HumanBinary => uucore::format::human::human_readable(
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size,
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uucore::format::human::SizeFormat::Binary,
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),
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SizeFormat::BlockSize(block_size) => div_ceil(size, block_size).to_string(),
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}
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}
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@ -688,9 +682,9 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
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});
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let size_format = if matches.get_flag(options::HUMAN_READABLE) {
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SizeFormat::Human(1024)
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SizeFormat::HumanBinary
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} else if matches.get_flag(options::SI) {
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SizeFormat::Human(1000)
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SizeFormat::HumanDecimal
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} else if matches.get_flag(options::BYTES) {
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SizeFormat::BlockSize(1)
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} else if matches.get_flag(options::BLOCK_SIZE_1K) {
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@ -26,6 +26,7 @@ lscolors = { workspace = true }
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uucore = { workspace = true, features = [
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"colors",
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"entries",
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"format",
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"fs",
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"fsxattr",
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"quoting-style",
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@ -12,7 +12,6 @@ use clap::{
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use glob::{MatchOptions, Pattern};
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use lscolors::{LsColors, Style};
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use number_prefix::NumberPrefix;
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use std::{cell::OnceCell, num::IntErrorKind};
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use std::{collections::HashSet, io::IsTerminal};
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@ -37,6 +36,7 @@ use std::{
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use term_grid::{Cell, Direction, Filling, Grid, GridOptions};
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use unicode_width::UnicodeWidthStr;
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use uucore::error::USimpleError;
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use uucore::format::human::{human_readable, SizeFormat};
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#[cfg(all(unix, not(any(target_os = "android", target_os = "macos"))))]
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use uucore::fsxattr::has_acl;
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#[cfg(any(
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@ -313,13 +313,6 @@ enum Sort {
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Width,
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}
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#[derive(PartialEq)]
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enum SizeFormat {
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Bytes,
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Binary, // Powers of 1024, --human-readable, -h
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Decimal, // Powers of 1000, --si
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}
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#[derive(PartialEq, Eq)]
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enum Files {
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All,
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@ -3038,30 +3031,6 @@ fn display_date(metadata: &Metadata, config: &Config) -> String {
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}
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}
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// There are a few peculiarities to how GNU formats the sizes:
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// 1. One decimal place is given if and only if the size is smaller than 10
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// 2. It rounds sizes up.
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// 3. The human-readable format uses powers for 1024, but does not display the "i"
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// that is commonly used to denote Kibi, Mebi, etc.
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// 4. Kibi and Kilo are denoted differently ("k" and "K", respectively)
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fn format_prefixed(prefixed: &NumberPrefix<f64>) -> String {
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match prefixed {
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NumberPrefix::Standalone(bytes) => bytes.to_string(),
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NumberPrefix::Prefixed(prefix, bytes) => {
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// Remove the "i" from "Ki", "Mi", etc. if present
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let prefix_str = prefix.symbol().trim_end_matches('i');
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// Check whether we get more than 10 if we round up to the first decimal
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// because we want do display 9.81 as "9.9", not as "10".
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if (10.0 * bytes).ceil() >= 100.0 {
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format!("{:.0}{}", bytes.ceil(), prefix_str)
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} else {
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format!("{:.1}{}", (10.0 * bytes).ceil() / 10.0, prefix_str)
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}
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}
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}
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}
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#[allow(dead_code)]
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enum SizeOrDeviceId {
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Size(String),
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@ -3104,13 +3073,7 @@ fn display_len_or_rdev(metadata: &Metadata, config: &Config) -> SizeOrDeviceId {
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}
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fn display_size(size: u64, config: &Config) -> String {
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// NOTE: The human-readable behavior deviates from the GNU ls.
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// The GNU ls uses binary prefixes by default.
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match config.size_format {
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SizeFormat::Binary => format_prefixed(&NumberPrefix::binary(size as f64)),
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SizeFormat::Decimal => format_prefixed(&NumberPrefix::decimal(size as f64)),
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SizeFormat::Bytes => size.to_string(),
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}
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human_readable(size, config.size_format)
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}
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#[cfg(unix)]
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@ -20,6 +20,7 @@ path = "src/lib/lib.rs"
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[dependencies]
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clap = { workspace = true }
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uucore_procs = { workspace = true }
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number_prefix = { workspace = true }
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dns-lookup = { version = "2.0.4", optional = true }
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dunce = { version = "1.0.4", optional = true }
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wild = "2.2"
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65
src/uucore/src/lib/features/format/human.rs
Normal file
65
src/uucore/src/lib/features/format/human.rs
Normal file
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@ -0,0 +1,65 @@
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// This file is part of the uutils coreutils package.
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//
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// For the full copyright and license information, please view the LICENSE
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// file that was distributed with this source code.
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// spell-checker:ignore gnulibs sfmt
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//! `human`-size formatting
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//!
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//! Format sizes like gnulibs human_readable() would
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use number_prefix::NumberPrefix;
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#[derive(Copy, Clone, PartialEq)]
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pub enum SizeFormat {
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Bytes,
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Binary, // Powers of 1024, --human-readable, -h
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Decimal, // Powers of 1000, --si
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}
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// There are a few peculiarities to how GNU formats the sizes:
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// 1. One decimal place is given if and only if the size is smaller than 10
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// 2. It rounds sizes up.
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// 3. The human-readable format uses powers for 1024, but does not display the "i"
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// that is commonly used to denote Kibi, Mebi, etc.
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// 4. Kibi and Kilo are denoted differently ("k" and "K", respectively)
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fn format_prefixed(prefixed: &NumberPrefix<f64>) -> String {
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match prefixed {
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NumberPrefix::Standalone(bytes) => bytes.to_string(),
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NumberPrefix::Prefixed(prefix, bytes) => {
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// Remove the "i" from "Ki", "Mi", etc. if present
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let prefix_str = prefix.symbol().trim_end_matches('i');
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// Check whether we get more than 10 if we round up to the first decimal
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// because we want do display 9.81 as "9.9", not as "10".
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if (10.0 * bytes).ceil() >= 100.0 {
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format!("{:.0}{}", bytes.ceil(), prefix_str)
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} else {
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format!("{:.1}{}", (10.0 * bytes).ceil() / 10.0, prefix_str)
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}
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}
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}
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}
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pub fn human_readable(size: u64, sfmt: SizeFormat) -> String {
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match sfmt {
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SizeFormat::Binary => format_prefixed(&NumberPrefix::binary(size as f64)),
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SizeFormat::Decimal => format_prefixed(&NumberPrefix::decimal(size as f64)),
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SizeFormat::Bytes => size.to_string(),
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}
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}
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#[cfg(test)]
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#[test]
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fn test_human_readable() {
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let test_cases = [
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(133456345, SizeFormat::Binary, "128M"),
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(12 * 1024 * 1024, SizeFormat::Binary, "12M"),
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(8500, SizeFormat::Binary, "8.4K"),
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];
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for &(size, sfmt, expected_str) in &test_cases {
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assert_eq!(human_readable(size, sfmt), expected_str);
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}
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}
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@ -32,6 +32,7 @@
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mod argument;
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mod escape;
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pub mod human;
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pub mod num_format;
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pub mod num_parser;
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mod spec;
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@ -3,7 +3,7 @@
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// For the full copyright and license information, please view the LICENSE
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// file that was distributed with this source code.
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// spell-checker:ignore (paths) atim sublink subwords azerty azeaze xcwww azeaz amaz azea qzerty tazerty tsublink testfile1 testfile2 filelist testdir testfile
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// spell-checker:ignore (paths) atim sublink subwords azerty azeaze xcwww azeaz amaz azea qzerty tazerty tsublink testfile1 testfile2 filelist fpath testdir testfile
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#[cfg(not(windows))]
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use regex::Regex;
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@ -543,6 +543,34 @@ fn test_du_h_flag_empty_file() {
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.stdout_only("0\tempty.txt\n");
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}
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#[test]
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fn test_du_h_precision() {
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let test_cases = [
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(133456345, "128M"),
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(12 * 1024 * 1024, "12M"),
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(8500, "8.4K"),
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];
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for &(test_len, expected_output) in &test_cases {
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let (at, mut ucmd) = at_and_ucmd!();
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let fpath = at.plus("test.txt");
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std::fs::File::create(&fpath)
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.expect("cannot create test file")
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.set_len(test_len)
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.expect("cannot truncate test len to size");
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ucmd.arg("-h")
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.arg("--apparent-size")
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.arg(&fpath)
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.succeeds()
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.stdout_only(format!(
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"{}\t{}\n",
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expected_output,
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&fpath.to_string_lossy()
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));
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}
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}
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#[cfg(feature = "touch")]
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#[test]
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fn test_du_time() {
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