Ruby 1.9 cleanup: variables warnings

Fix most ruby 1.9 warnings about shadowed variables (still one remaining in
keywords.rb). The only significant changes are in the quiz game plugin.

Also fix an issue in dictclient where the block parameter of a method
was not correctly isolated from the previous parameter.

3 files changed, 5 insertions, 7 deletions

diff --git a/lib/rbot/core/utils/filters.rb b/lib/rbot/core/utils/filters.rb
index 463e6f38..d188aa3f 100644
--- a/lib/rbot/core/utils/filters.rb
+++ b/lib/rbot/core/utils/filters.rb
@@ -177,10 +177,10 @@ module ::Irc
         def load_filters(options={})
           case options[:path]
           when nil
-            file = "#{self.dirname}.rb"
+            us = "#{self.dirname}.rb"
             paths = [
-              File.join(Config::datadir, 'filters', file),
-              @bot.path('filters', file)
+              File.join(Config::datadir, 'filters', us),
+              @bot.path('filters', us)
             ]
           when Array
             paths = options[:path]
diff --git a/lib/rbot/core/utils/httputil.rb b/lib/rbot/core/utils/httputil.rb
index 25df3c5b..03671cfe 100644
--- a/lib/rbot/core/utils/httputil.rb
+++ b/lib/rbot/core/utils/httputil.rb
@@ -531,8 +531,6 @@ class HttpUtil
       :method => :GET
     }.merge(options)
 
-    resp = nil
-
     req_class = case opts[:method].to_s.downcase.intern
                 when :head, :"net::http::head"
                   opts[:max_redir] = -1
diff --git a/lib/rbot/core/utils/wordlist.rb b/lib/rbot/core/utils/wordlist.rb
index 4e624f9b..81d7d775 100755
--- a/lib/rbot/core/utils/wordlist.rb
+++ b/lib/rbot/core/utils/wordlist.rb
@@ -14,10 +14,10 @@ class Wordlist
     @@wordlist_base ||= Utils.bot.path 'wordlists'
   end
 
-  def self.get(path, options={})
+  def self.get(where, options={})
     opts = { :spaces => false }.merge(options)
 
-    wordlist_path = File.join(wordlist_base, path)
+    wordlist_path = File.join(wordlist_base, where)
     raise "wordlist not found: #{wordlist_path}" unless File.exist?(wordlist_path)
 
     # Location is a directory -> combine all lists beneath it