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hru(1): read stdin until EOF

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This commit is contained in:
Emma Tebibyte 2024-02-13 17:48:25 -07:00
parent 1ee668aed6
commit d0205b71da
Signed by untrusted user: emma
GPG Key ID: 06FA419A1698C270
1 changed files with 29 additions and 24 deletions
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9
src/hru.rs
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@ -52,10 +52,14 @@ fn convert(input: u64) -> (f64, u32) {
fn main() -> ExitCode {
let argv = args().collect::<Vec<String>>();
let mut buf = String::new();
let _ = stdin().read_line(&mut buf);
while let Ok(_) = stdin().read_line(&mut buf) {
if buf.is_empty() { return ExitCode::SUCCESS; }
let n: u64 = match buf.trim().parse() {
Ok(f) => f,
Ok(f) => {
buf.clear();
f
},
Err(err) => {
eprintln!("{}: {}", argv[0], err);
return ExitCode::from(EX_DATAERR as u8);
@ -81,6 +85,7 @@ fn main() -> ExitCode {
let out = ((number * 10.0).round() / 10.0).to_string();
println!("{} {}", out, si_prefix);
}
ExitCode::SUCCESS
}