From 0cef25cad181c03eb9e9e4b10f697aca1ccb74a5 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Thu, 19 Jul 2018 21:54:35 +0300
Subject: Add: write out all words in input

---
 .gitignore  |  3 +++
 Cargo.toml  |  6 ++++++
 src/main.rs | 41 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 50 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Cargo.toml
 create mode 100644 src/main.rs

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..70e3cae
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+
+/target
+**/*.rs.bk
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..393abb5
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "wordfreq"
+version = "0.1.0"
+authors = ["Lars Wirzenius <liw@liw.fi>"]
+
+[dependencies]
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..b0d0d03
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,41 @@
+use std::env;
+use std::fs::File;
+use std::io;
+use std::io::BufRead;
+
+
+
+fn main() -> io::Result<()> {
+    for filename in env::args().skip(1) {
+        let mut f = File::open(&filename)?;
+        let mut reader = io::BufReader::new(f);
+        print_words(&mut reader)?;
+    }
+    Ok(())
+}
+
+
+fn print_words(reader: &mut io::BufReader<File>) -> io::Result<()> {
+    for line in reader.lines() {
+        let line = line?;
+        print_words_in_line(&line);
+    }
+    Ok(())
+}
+
+
+fn print_words_in_line(line: &str) {
+    let mut was_in_word = false;
+    for c in line.chars() {
+        let letter = c.is_alphabetic();
+        if letter {
+            was_in_word = true;
+            print!("{}", c);
+        } else {
+            if was_in_word {
+                println!("");
+            }
+            was_in_word = false;
+        }
+    }
+}
-- 
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