3 releases
0.1.2 | Jul 31, 2021 |
---|---|
0.1.1 | Jul 25, 2021 |
0.1.0 | Jul 11, 2021 |
#2 in #indexable
Used in split-csv
51KB
604 lines
IndexedFile
A library to read lines of a file directly without having to read more than the requested line.
Example
Non indexed files
use indexed_file::{Indexable, ReadByLine};
#[async_std::main]
async fn main() {
// Open and index a file
let mut file = indexed_file::File::open_raw("<some unindexed file>")
.await
.unwrap();
// Get line count efficiently without reading the entire file
let line_count = file.total_lines();
// Read line 30 directly
let line_30 = file.read_line(30).await.unwrap();
}
Indexed files
use indexed_file::{Indexable, ReadByLine};
#[async_std::main]
async fn main() {
// Open an indexed file
let mut file = indexed_file::File::open("<some indexed file>")
.await
.unwrap();
// Read line 30 directly
let line_30 = file.read_line(30).await.unwrap();
}
For more examples visit the examples directory.