Rubocop: fix three cops in examples/ucfinfo.

* Layout/MultilineOperationIndentation
* Style/FormatString
* Style/FormatStringToken

.rubocop_todo.yml

@@ -6,29 +6,6 @@
 # Note that changes in the inspected code, or installation of new
 # versions of RuboCop, may require this file to be generated again.
 
-# Offense count: 2
-# This cop supports safe autocorrection (--autocorrect).
-# Configuration parameters: EnforcedStyle, IndentationWidth.
-# SupportedStyles: aligned, indented
-Layout/MultilineOperationIndentation:
-  Exclude:
-    - 'examples/ucfinfo'
-
-# Offense count: 1
-# This cop supports safe autocorrection (--autocorrect).
-# Configuration parameters: EnforcedStyle.
-# SupportedStyles: format, sprintf, percent
-Style/FormatString:
-  Exclude:
-    - 'examples/ucfinfo'
-
-# Offense count: 4
-# This cop supports safe autocorrection (--autocorrect).
-# Configuration parameters: MaxUnannotatedPlaceholdersAllowed, AllowedMethods, AllowedPatterns.
-# SupportedStyles: annotated, template, unannotated
-Style/FormatStringToken:
-  EnforcedStyle: unannotated
-
 # Offense count: 17
 # This cop supports unsafe autocorrection (--autocorrect-all).
 # Configuration parameters: EnforcedStyle.

examples/ucfinfo

@@ -66,5 +66,7 @@ ucf.each do |entry|
 end
 
 ratio = ((total_size - total_comp) / total_size.to_f) * 100
-puts '%d files, %d bytes uncompressed, %d bytes compressed: %.1f%%' %
-  [ucf.size, total_size, total_comp, ratio]
+puts format(
+  '%<num>d files, %<size>d bytes uncompressed, %<comp>d bytes compressed: %<ratio>.1f%%',
+  { num: ucf.size, size: total_size, comp: total_comp, ratio: ratio }
+)