lib/quality/command_output_processor.rb in quality-22.0.0 vs lib/quality/command_output_processor.rb in quality-23.0.0

@@ -1,5 +1,6 @@
+# frozen_string_literal: true
 module Quality
   # Class processes output from a code quality command, tweaking it
   # for editor output and counting the number of violations found
   class CommandOutputProcessor
     attr_accessor :emacs_format
@@ -20,11 +21,10 @@
     private
 
     def process_file(file, &count_violations_on_line)
       out = ''
       while (@current_line = file.gets)
-        out <<
-          process_line(&count_violations_on_line)
+        out += process_line(&count_violations_on_line)
       end
       out
     end
 
     def process_line