Updated/changed useless tr/gsubs

actionmailer/lib/action_mailer/base.rb

@@ -696,7 +696,7 @@ module ActionMailer #:nodoc:
     # If it does not find a translation for the +subject+ under the specified scope it will default to a
     # humanized version of the <tt>action_name</tt>.
     def default_i18n_subject #:nodoc:
-      mailer_scope = self.class.mailer_name.gsub('/', '.')
+      mailer_scope = self.class.mailer_name.tr('/', '.')
       I18n.t(:subject, :scope => [mailer_scope, action_name], :default => action_name.humanize)
     end
 

actionmailer/lib/rails/generators/mailer/templates/mailer.rb

@@ -6,7 +6,7 @@ class <%= class_name %> < ActionMailer::Base
   # Subject can be set in your I18n file at config/locales/en.yml
   # with the following lookup:
   #
-  #   en.<%= file_path.gsub("/",".") %>.<%= action %>.subject
+  #   en.<%= file_path.tr("/",".") %>.<%= action %>.subject
   #
   def <%= action %>
     @greeting = "Hi"

actionpack/lib/action_controller/metal/data_streaming.rb

@@ -132,7 +132,7 @@ module ActionController #:nodoc:
         else
           if !type_provided && options[:filename]
             # If type wasn't provided, try guessing from file extension.
-            content_type = Mime::Type.lookup_by_extension(File.extname(options[:filename]).downcase.tr('.','')) || content_type
+            content_type = Mime::Type.lookup_by_extension(File.extname(options[:filename]).downcase.delete('.')) || content_type
           end
           self.content_type = content_type
         end

actionpack/lib/action_controller/metal/http_authentication.rb

@@ -229,7 +229,7 @@ module ActionController
       def decode_credentials(header)
         Hash[header.to_s.gsub(/^Digest\s+/,'').split(',').map do |pair|
           key, value = pair.split('=', 2)
-          [key.strip.to_sym, value.to_s.gsub(/^"|"$/,'').gsub(/'/, '')]
+          [key.strip.to_sym, value.to_s.gsub(/^"|"$/,'').delete('\'')]
         end]
       end
 

actionpack/lib/action_controller/metal/redirecting.rb

@@ -93,7 +93,7 @@ module ActionController
           _compute_redirect_to_location options.call
         else
           url_for(options)
-        end.gsub(/[\0\r\n]/, '')
+        end.delete("\0\r\n")
       end
   end
 end

actionpack/lib/action_dispatch/routing/mapper.rb

@@ -244,7 +244,7 @@ module ActionDispatch
       end
 
       def self.normalize_name(name)
-        normalize_path(name)[1..-1].gsub("/", "_")
+        normalize_path(name)[1..-1].tr("/", "_")
       end
 
       module Base
@@ -441,7 +441,7 @@ module ActionDispatch
               app.railtie_name
             else
               class_name = app.class.is_a?(Class) ? app.name : app.class.name
-              ActiveSupport::Inflector.underscore(class_name).gsub("/", "_")
+              ActiveSupport::Inflector.underscore(class_name).tr("/", "_")
             end
           end
 

actionpack/lib/action_dispatch/testing/assertions/response.rb

@@ -83,7 +83,7 @@ module ActionDispatch
             refer
           else
             @controller.url_for(fragment)
-          end.gsub(/[\0\r\n]/, '')
+          end.delete("\0\r\n")
         end
     end
   end

actionpack/lib/action_view/helpers/number_helper.rb

@@ -137,12 +137,12 @@ module ActionView
 
         begin
           value = number_with_precision(number, options.merge(:raise => true))
-          format.gsub(/%n/, value).gsub(/%u/, unit).html_safe
+          format.gsub('%n', value).gsub('%u', unit).html_safe
         rescue InvalidNumberError => e
           if options[:raise]
             raise
           else
-            formatted_number = format.gsub(/%n/, e.number).gsub(/%u/, unit)
+            formatted_number = format.gsub('%n', e.number).gsub('%u', unit)
             e.number.to_s.html_safe? ? formatted_number.html_safe : formatted_number
           end
         end

activemodel/lib/active_model/errors.rb

@@ -286,7 +286,7 @@ module ActiveModel
     #     "Name is invalid"
     def full_message(attribute, message)
       return message if attribute == :base
-      attr_name = attribute.to_s.gsub('.', '_').humanize
+      attr_name = attribute.to_s.tr('.', '_').humanize
       attr_name = @base.class.human_attribute_name(attribute, :default => attr_name)
       I18n.t(:"errors.format", {
         :default   => "%{attribute} %{message}",

activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb

@@ -16,7 +16,7 @@ module ActiveRecord
 
       # Truncates a table alias according to the limits of the current adapter.
       def table_alias_for(table_name)
-        table_name[0...table_alias_length].gsub(/\./, '_')
+        table_name[0...table_alias_length].tr('.', '_')
       end
 
       # Checks to see if the table +table_name+ exists on the database.

activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb

@@ -339,9 +339,9 @@ module ActiveRecord
           when /^null$/i
             field["dflt_value"] = nil
           when /^'(.*)'$/
-            field["dflt_value"] = $1.gsub(/''/, "'")
+            field["dflt_value"] = $1.gsub("''", "'")
           when /^"(.*)"$/
-            field["dflt_value"] = $1.gsub(/""/, '"')
+            field["dflt_value"] = $1.gsub('""', '"')
           end
 
           SQLiteColumn.new(field['name'], field['dflt_value'], field['type'], field['notnull'].to_i == 0)

activesupport/lib/active_support/inflector/methods.rb

@@ -77,7 +77,7 @@ module ActiveSupport
     #   "SSLError".underscore.camelize # => "SslError"
     def underscore(camel_cased_word)
       word = camel_cased_word.to_s.dup
-      word.gsub!(/::/, '/')
+      word.gsub!('::', '/')
       word.gsub!(/(?:([A-Za-z\d])|^)(#{inflections.acronym_regex})(?=\b|[^a-z])/) { "#{$1}#{$1 && '_'}#{$2.downcase}" }
       word.gsub!(/([A-Z\d]+)([A-Z][a-z])/,'\1_\2')
       word.gsub!(/([a-z\d])([A-Z])/,'\1_\2')

guides/w3c_validator.rb

@@ -76,7 +76,7 @@ module RailsGuides
           error_summary += "\n  #{name}"
           error_detail += "\n\n  #{name} has #{errors.size} validation error(s):\n"
           errors.each do |error|
-            error_detail += "\n    "+error.to_s.gsub("\n", "")
+            error_detail += "\n    "+error.to_s.delete("\n")
           end
         end
 

railties/lib/rails/generators/named_base.rb

@@ -99,7 +99,7 @@ module Rails
         end
 
         def i18n_scope
-          @i18n_scope ||= file_path.gsub('/', '.')
+          @i18n_scope ||= file_path.tr('/', '.')
         end
 
         def table_name

railties/lib/rails/generators/resource_helpers.rb

@@ -50,7 +50,7 @@ module Rails
         end
 
         def controller_i18n_scope
-          @controller_i18n_scope ||= controller_file_path.gsub('/', '.')
+          @controller_i18n_scope ||= controller_file_path.tr('/', '.')
         end
 
         # Loads the ORM::Generators::ActiveModel class. This class is responsible

railties/lib/rails/railtie.rb

@@ -162,7 +162,7 @@ module Rails
 
       protected
         def generate_railtie_name(class_or_module)
-          ActiveSupport::Inflector.underscore(class_or_module).gsub("/", "_")
+          ActiveSupport::Inflector.underscore(class_or_module).tr("/", "_")
         end
     end
 

railties/test/rails_info_test.rb

@@ -43,7 +43,7 @@ class InfoTest < ActiveSupport::TestCase
 
   def test_frameworks_exist
     Rails::Info.frameworks.each do |framework|
-      dir = File.dirname(__FILE__) + "/../../" + framework.gsub('_', '')
+      dir = File.dirname(__FILE__) + "/../../" + framework.delete('_')
       assert File.directory?(dir), "#{framework.classify} does not exist"
     end
   end