use File.write instead of File.open for simple writes

bin/inline-css.rb

@@ -46,7 +46,7 @@ class CSSInliner
       end
     end
 
-    File.open(html_path, 'w') { |f| f.puts(doc.to_html) }
+    File.write(html_path, doc.to_html)
   end
 
 end

bin/rss.rb

@@ -49,11 +49,11 @@ class Blag
       }.delete_if { |k, v| v.nil? }
     end
     json = JSON.pretty_generate data
-    File.open(data_file, 'w') { |f| f.puts json }
+    File.write(data_file, json)
   end
 
   def generate_rss
-    File.open(rss_file, 'w') { |f| f.puts feed_xml.target! }
+    File.write(rss_file, feed_xml.target!)
   end
 
   def latest_posts(n = @num_posts)

server/harp_blog.rb

@@ -368,9 +368,7 @@ class HarpBlog
       puts ">>> write file '#{filename}', contents:"
       puts data
     else
-      File.open(filename, 'w') do |f|
+      File.write(filename, data)
-        f.puts(data)
-      end
     end
   end