Use create instead of open for export blocks
@@ -360,7 +360,7 @@ fn export_blocks<E>(matches: &clap::ArgMatches, exit: E) -> error::Result<()>
let json = matches.is_present("json");
let mut file: Box<Write> = match matches.value_of("OUTPUT") {
- Some(filename) => Box::new(File::open(filename)?),
+ Some(filename) => Box::new(File::create(filename)?),
None => Box::new(stdout()),
};
