open file for writing

src/main.rs

@@ -1,11 +1,8 @@
-#[macro_use]
-extern crate structopt;
 use structopt::StructOpt;
 
 mod opts;
 
 use html5ever::serialize::{serialize, SerializeOpts, TraversalScope};
-use kuchiki::NodeRef;
 use markup5ever::serialize::Serialize as MSerialize;
 use opts::Opts;
 use std::error::Error;
@@ -13,8 +10,6 @@ use std::fs::File;
 use std::io;
 use std::io::Write;
 use std::io::{stdin, stdout, Read};
-use std::path::PathBuf;
-extern crate kuchiki;
 
 use kuchiki::traits::*;
 
@@ -52,7 +47,7 @@ fn main() -> Result<(), Box<Error>> {
     };
     
     let mut out: Box<Write> = if let Some(path) = opt.output {
-        let file = File::open(&path)?;
+        let file = File::create(&path)?;
         Box::new(file)
     } else {
         Box::new(stdout())