From 4a077a88b3c8290935e05283caa861e253278582 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@exolobe1>
Date: Sat, 12 May 2018 08:12:53 +0000
Subject: Add: initial commit

---
 .gitignore  |   3 +++
 Cargo.toml  |   6 ++++++
 src/main.rs |  37 +++++++++++++++++++++++++++++++++++++
 zeros       | Bin 0 -> 12765 bytes
 4 files changed, 46 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Cargo.toml
 create mode 100644 src/main.rs
 create mode 100644 zeros

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..3eb3e52
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "cat"
+version = "0.1.0"
+authors = ["liw"]
+
+[dependencies]
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..b2ee6f0
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,37 @@
+use std::env;
+use std::fs::File;
+use std::io;
+use std::io::prelude::*;
+
+const BUFSIZE: usize = 17;
+
+fn main() {
+    let args: Vec<String> = env::args().collect();
+    for arg in &args[1..] {
+        cat(arg, BUFSIZE);
+    }
+}
+
+
+fn cat(filename: &str, bufsize: usize) {
+    // The following gives fugly error message if there's a problem.
+    // Need to find a better way to report errors to normal people.
+    let mut f = File::open(filename).unwrap();
+
+    let mut buffer = vec![0; bufsize];
+    loop {
+        match f.read(&mut buffer).unwrap() {
+            0 => break,
+            n => write(&buffer[..n]),
+        };
+    }
+}
+
+
+fn write(buffer: &[u8]) {
+    // Again, the error message is fugly if there's a problem. Also,
+    // ideally this wouldn't hardcode the output stream, but it turns
+    // out that io::stdout() doesn't return a File, so passing in an
+    // open file is tricky.
+    io::stdout().write(&buffer).unwrap();
+}
diff --git a/zeros b/zeros
new file mode 100644
index 0000000..eec1b74
Binary files /dev/null and b/zeros differ
-- 
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