initial

.gitignore

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+target

Cargo.lock

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+[root]
+name = "vvm"
+version = "0.1.0"
+

Cargo.toml

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+[package]
+name = "vvm"
+version = "0.1.0"
+authors = ["hellerve <veit@veitheller.de>"]
+
+[dependencies]

src/main.rs

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+use std::fs::File;
+use std::io;
+use std::io::Read;
+use std::env;
+
+fn usage(pname: String) {
+    println!("usage: {} <file>", pname);
+}
+
+fn get_contents(fname: String) -> Result<String, io::Error> {
+    let mut file = try!(File::open(&*fname));
+    let mut contents = String::new();
+    try!(file.read_to_string(&mut contents));
+    Ok(contents)
+}
+
+fn main() {
+    let args: Vec<_> = env::args().collect();
+
+    if args.len() != 2 {
+        usage(args[0].clone());
+        return;
+    }
+
+    let fname = args[1].clone();
+    let contents = get_contents(fname);
+
+    match contents {
+        Ok(v) => println!("{}", v),
+        Err(e) => println!("{}", e)
+    }
+}