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author | Adam Carpenter <gitlab@53hor.net> | 2019-07-09 15:14:04 -0400 |
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committer | Adam Carpenter <gitlab@53hor.net> | 2019-07-09 15:14:04 -0400 |
commit | 7e8ee5ed9cad6484e9f13f81731b102ced58402e (patch) | |
tree | 5395402ab07bbb5a659dbd68c701e22a1227202f /meap/meap-code/ch2/ch2-read-file-iter-lines.rs | |
download | learning-rust-7e8ee5ed9cad6484e9f13f81731b102ced58402e.tar.xz learning-rust-7e8ee5ed9cad6484e9f13f81731b102ced58402e.zip |
Init.
Diffstat (limited to 'meap/meap-code/ch2/ch2-read-file-iter-lines.rs')
-rwxr-xr-x | meap/meap-code/ch2/ch2-read-file-iter-lines.rs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/meap/meap-code/ch2/ch2-read-file-iter-lines.rs b/meap/meap-code/ch2/ch2-read-file-iter-lines.rs new file mode 100755 index 0000000..f59fa9e --- /dev/null +++ b/meap/meap-code/ch2/ch2-read-file-iter-lines.rs @@ -0,0 +1,15 @@ +#[allow(unused_mut)]
+
+use std::fs::File;
+use std::io::BufReader;
+use std::io::prelude::*;
+
+fn main() {
+ let f = File::open("readme.md").unwrap(); // <1>
+ let reader = BufReader::new(f);
+
+ for line_ in reader.lines() {
+ let line = line_.unwrap();
+ println!("{} ({} bytes long)", line, line.len());
+ }
+}
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