lib/fluent/plugin/grok.rb in fluent-plugin-grok-parser-2.1.3 vs lib/fluent/plugin/grok.rb in fluent-plugin-grok-parser-2.1.4

@@ -33,10 +33,10 @@
         @multiline_start_regexp = Regexp.compile(@conf["multiline_start_regexp"][1..-2])
       end
     end
 
     def add_patterns_from_file(path)
-      File.open(path, "r").each_line do |line|
+      File.open(path, "r:utf-8:utf-8").each_line do |line|
         next if line[0] == "#" || /^$/ =~ line
         name, pat = line.chomp.split(/\s+/, 2)
         @pattern_map[name] = pat
       end
     end