summaryrefslogtreecommitdiff
path: root/meap/meap-code/ch2/ch2-read-file-iter-lines.rs
diff options
context:
space:
mode:
authorAdam Carpenter <gitlab@53hor.net>2019-07-09 15:14:04 -0400
committerAdam Carpenter <gitlab@53hor.net>2019-07-09 15:14:04 -0400
commit7e8ee5ed9cad6484e9f13f81731b102ced58402e (patch)
tree5395402ab07bbb5a659dbd68c701e22a1227202f /meap/meap-code/ch2/ch2-read-file-iter-lines.rs
downloadlearning-rust-7e8ee5ed9cad6484e9f13f81731b102ced58402e.tar.xz
learning-rust-7e8ee5ed9cad6484e9f13f81731b102ced58402e.zip
Init.
Diffstat (limited to 'meap/meap-code/ch2/ch2-read-file-iter-lines.rs')
-rwxr-xr-xmeap/meap-code/ch2/ch2-read-file-iter-lines.rs15
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());
+ }
+}