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Merge pull request #1171 from bootandy/du_h

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du -h: support GB
This commit is contained in:
Alex Lyon 2018-04-05 15:41:33 -07:00 committed by GitHub
commit 8db47690b2
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1 changed files with 17 additions and 19 deletions
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36
src/du/du.rs
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@ -35,6 +35,9 @@ const LONG_HELP: &'static str = "
ers of 1000).
";
// TODO: Suport Z & Y (currently limited by size of u64)
static UNITS: [(char, u32); 6] = [('E', 6), ('P', 5), ('T', 4), ('G', 3), ('M', 2), ('K', 1)];
struct Options {
all: bool,
program_name: String,
@ -247,17 +250,6 @@ pub fn uumain(args: Vec<String>) -> i32 {
matches.free.clone()
};
let mb = if matches.opt_present("si") {
1000 * 1000
} else {
1024 * 1024
};
let kb = if matches.opt_present("si") {
1000
} else {
1024
};
let block_size = match matches.opt_str("block-size") {
Some(s) => {
let mut found_number = false;
@ -305,18 +297,24 @@ pub fn uumain(args: Vec<String>) -> i32 {
};
let convert_size = |size: u64| -> String {
let multiplier: u64 = if matches.opt_present("si") {
1000
} else {
1024
};
if matches.opt_present("human-readable") || matches.opt_present("si") {
if size >= mb {
format!("{:.1}M", (size as f64) / (mb as f64))
} else if size >= kb {
format!("{:.1}K", (size as f64) / (kb as f64))
} else {
format!("{}B", size)
for &(unit, power) in &UNITS {
let limit = multiplier.pow(power);
if size >= limit {
return format!("{:.1}{}", (size as f64) / (limit as f64), unit);
}
}
return format!("{}B", size);
} else if matches.opt_present("k") {
format!("{}", ((size as f64) / (kb as f64)).ceil())
format!("{}", ((size as f64) / (multiplier as f64)).ceil())
} else if matches.opt_present("m") {
format!("{}", ((size as f64) / (mb as f64)).ceil())
format!("{}", ((size as f64) / (multiplier.pow(2) as f64)).ceil())
} else {
format!("{}", ((size as f64) / (block_size as f64)).ceil())
}