config: avoid unnecessary binmode call

We may set binary mode upon open by passing "b" in the mode string,
so avoid the extra method dispatch and bytecode/cache overhead that
entails.

1 files changed, 1 insertions, 2 deletions

diff --git a/lib/yahns/config.rb b/lib/yahns/config.rb
index 9db0d59..f4164a9 100644
--- a/lib/yahns/config.rb
+++ b/lib/yahns/config.rb
@@ -400,9 +400,8 @@ class Yahns::Config # :nodoc:
     var = _check_in_block(:app, :errors)
     if String === val
       # we've already bound working_directory by the time we get here
-      val = File.open(File.expand_path(val), "a")
+      val = File.open(File.expand_path(val), "ab")
       val.close_on_exec = val.sync = true
-      val.binmode
     else
       rt = [ :puts, :write, :flush ] # match Rack::Lint
       rt.all? { |m| val.respond_to?(m) } or raise ArgumentError,