Rakefile in rubyXL-3.4.23 vs Rakefile in rubyXL-3.4.24

@@ -1,31 +1,32 @@
 # encoding: utf-8
+
 require 'rubygems'
 
 require 'bundler'
 begin
   Bundler.setup(:default, :development)
 rescue Bundler::BundlerError => e
   $stderr.puts e.message
-  $stderr.puts "Run `bundle install` to install missing gems"
+  $stderr.puts 'Run `bundle install` to install missing gems'
   exit e.status_code
 end
 
 require 'juwelier'
 Juwelier::Tasks.new do |gem|
   # gem is a Gem::Specification... see http://docs.rubygems.org/read/chapter/20 for more options
-  gem.name = "rubyXL"
-  gem.homepage = "http://github.com/gilt/rubyXL"
-  gem.license = "MIT"
+  gem.name = 'rubyXL'
+  gem.homepage = 'http://github.com/gilt/rubyXL'
+  gem.license = 'MIT'
   gem.summary = %Q{rubyXL is a gem which allows the parsing, creation, and manipulation of Microsoft Excel (.xlsx/.xlsm) Documents}
   gem.description = %Q{rubyXL is a gem which allows the parsing, creation, and manipulation of Microsoft Excel (.xlsx/.xlsm) Documents}
-  gem.email = "[e-mail]"
-  gem.authors = ["Vivek Bhagwat", 'Wesha']
+  gem.email = '[e-mail]'
+  gem.authors = ['Vivek Bhagwat', 'Wesha']
 #  gem.required_ruby_version = '>2.1'
   # dependencies defined in Gemfile
 end
-Juwelier::RubygemsDotOrgTasks.new 
+Juwelier::RubygemsDotOrgTasks.new
 
 require 'rake/testtask'
 Rake::TestTask.new(:test) do |test|
   test.libs << 'lib' << 'test'
   test.pattern = 'test/**/test_*.rb'
@@ -37,65 +38,65 @@
 RSpec::Core::RakeTask.new(:rspec)
 task :default => :rspec
 
 require 'rdoc/task'
 Rake::RDocTask.new do |rdoc|
-  version = File.exist?('VERSION') ? File.read('VERSION') : ""
+  version = File.exist?('VERSION') ? File.read('VERSION') : ''
 
   rdoc.rdoc_dir = 'rdoc'
   rdoc.title = "rubyXL #{version}"
   rdoc.rdoc_files.include('README*')
   rdoc.rdoc_files.include('lib/**/*.rb')
 end
 
-desc "Dump profiling data with stackprof"
+desc 'Dump profiling data with stackprof'
 task :stackprof do
   require 'benchmark'
   require 'stackprof'
 
   $:.unshift File.dirname(__FILE__) + '/lib'  # Make Ruby aware of load path
   require './lib/rubyXL'
 
-  spreadsheets = Dir.glob(File.join("test", "input", "*.xls?")).sort!
+  spreadsheets = Dir.glob(File.join('test', 'input', '*.xls?')).sort!
 
   spreadsheets.each { |input|
     puts "<<<--- Profiling parsing of #{input}..."
     doc = nil
-    StackProf.run(:mode => :cpu, :interval => 100, 
-                  :out  => "tmp/stackprof-cpu-parse-#{File.basename(input)}.dump") { 
+    StackProf.run(:mode => :cpu, :interval => 100,
+                  :out  => "tmp/stackprof-cpu-parse-#{File.basename(input)}.dump") {
       doc = RubyXL::Parser.parse(input)
     }
 
-    output = File.join("test", "output", File.basename(input))
-    puts  "--->>> Profiling writing of #{output}..."
-    StackProf.run(:mode => :cpu, :interval => 100, 
+    output = File.join('test', 'output', File.basename(input))
+    puts "--->>> Profiling writing of #{output}..."
+    StackProf.run(:mode => :cpu, :interval => 100,
                   :out  => "tmp/stackprof-cpu-write-#{File.basename(input)}.dump") {
       doc.write(output)
     }
   }
 end
 
-desc "Dump profiling data with ruby-prof"
+desc 'Dump profiling data with ruby-prof'
 task :rubyprof do
   require 'benchmark'
   require 'ruby-prof'
 
   $:.unshift File.dirname(__FILE__) + '/lib'  # Make Ruby aware of load path
   require './lib/rubyXL'
 
-  spreadsheets = Dir.glob(File.join("test", "input", "*.xls?")).sort!
+  spreadsheets = Dir.glob(File.join('test', 'input', '*.xls?')).sort!
 
   spreadsheets.each { |input|
     puts "<<<--- Profiling parsing of #{input}..."
     doc = nil
     result = RubyProf.profile {
       doc = RubyXL::Parser.parse(input)
     }
     printer = RubyProf::CallStackPrinter.new(result)
     File.open("tmp/ruby-prof-parse-#{File.basename(input)}.html", 'w') { |f| printer.print(f, {}) }
 
-    output = File.join("test", "output", File.basename(input))
-    puts  "--->>> Profiling writing of #{output}..."
+    output = File.join('test', 'output', File.basename(input))
+    puts "--->>> Profiling writing of #{output}..."
     result = RubyProf.profile {
       doc.write(output)
     }
     printer = RubyProf::CallStackPrinter.new(result)
     File.open("tmp/ruby-prof-write-#{File.basename(input)}.html", 'w') { |f| printer.print(f, {}) }