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use std::collections::VecDeque;
use std::fs;
use std::io;
use std::path;
pub fn query_number_of_items(paths: &[path::PathBuf]) -> io::Result<(usize, u64)> {
let mut total_bytes = 0;
let mut total_files = 0;
let mut dirs: VecDeque<path::PathBuf> = VecDeque::new();
for path in paths.iter() {
let metadata = path.symlink_metadata()?;
if metadata.is_dir() {
dirs.push_back(path.clone());
} else {
let metadata = path.symlink_metadata()?;
total_bytes += metadata.len();
total_files += 1;
}
}
while let Some(dir) = dirs.pop_front() {
for entry in fs::read_dir(dir)? {
let path = entry?.path();
if path.is_dir() {
dirs.push_back(path);
} else {
let metadata = path.symlink_metadata()?;
total_bytes += metadata.len();
total_files += 1;
}
}
}
Ok((total_files, total_bytes))
}
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