minor: fixed and cleaned up examples

examples/admin.rb

@@ -1,4 +1,5 @@
-$LOAD_PATH[0,0] = File.join(File.dirname(__FILE__), '..', 'lib')
+$:.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
+
 require 'mongo'
 require 'pp'
 
@@ -8,7 +9,7 @@ host = ENV['MONGO_RUBY_DRIVER_HOST'] || 'localhost'
 port = ENV['MONGO_RUBY_DRIVER_PORT'] || Connection::DEFAULT_PORT
 
 puts "Connecting to #{host}:#{port}"
-db = Connection.new(host, port).db('ruby-mongo-examples')
+db = Mongo::Connection.new(host, port).db('ruby-mongo-examples')
 coll = db.create_collection('test')
 
 # Erase all records from collection, if any
@@ -17,7 +18,7 @@ coll.remove
 admin = db.admin
 
 # Profiling level set/get
-p admin.profiling_level
+puts "Profiling level: #{admin.profiling_level}"
 
 # Start profiling everything
 admin.profiling_level = :all
@@ -31,8 +32,8 @@ admin.profiling_level = :off
 # Print all profiling info
 pp admin.profiling_info
 
-# Validate returns a hash if all is well or raises an exception if there is a
-# problem.
+# Validate returns a hash if all is well and
+# raises an exception if there is a problem.
 info = admin.validate_collection(coll.name)
 puts "valid = #{info['ok']}"
 puts info['result']

examples/capped.rb

@@ -1,4 +1,4 @@
-$LOAD_PATH[0,0] = File.join(File.dirname(__FILE__), '..', 'lib')
+$:.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
 require 'mongo'
 
 include Mongo
@@ -10,9 +10,8 @@ puts "Connecting to #{host}:#{port}"
 db = Connection.new(host, port).db('ruby-mongo-examples')
 db.drop_collection('test')
 
-# A capped collection has a max size and optionally a max number of records.
-# Old records get pushed out by new ones once the size or max num records is
-# reached.
+# A capped collection has a max size and, optionally, a max number of records.
+# Old records get pushed out by new ones once the size or max num records is reached.
 coll = db.create_collection('test', :capped => true, :size => 1024, :max => 12)
 
 100.times { |i| coll.insert('a' => i+1) }

examples/cursor.rb

@@ -1,4 +1,5 @@
-$LOAD_PATH[0,0] = File.join(File.dirname(__FILE__), '..', 'lib')
+$:.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
+
 require 'mongo'
 require 'pp'
 
@@ -23,7 +24,7 @@ coll.remove
 # Find returns a Cursor, which is Enumerable. You can iterate:
 coll.find().each { |row| pp row }
 
-# You can turn it into an array
+# You can turn it into an array:
 array = coll.find().to_a
 
 # You can iterate after turning it into an array (the cursor will iterate over

examples/gridfs.rb

@@ -1,4 +1,5 @@
-$LOAD_PATH[0,0] = File.join(File.dirname(__FILE__), '..', 'lib')
+$:.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
+
 require 'mongo'
 require 'mongo/gridfs'
 
@@ -19,7 +20,7 @@ end
 GridStore.open(db, 'foobar', 'w') { |f| f.write("hello, world!") }
 
 # Read it and print out the contents
-dump(db, 'foobar')                 # defined above
+dump(db, 'foobar')
 
 # Append more data
 GridStore.open(db, 'foobar', 'w+') { |f| f.write("\n"); f.puts "line two" }

examples/index_test.rb

@@ -1,10 +1,5 @@
-class Exception
-  def errmsg
-    "%s: %s\n%s" % [self.class, message, (backtrace || []).join("\n") << "\n"]
-  end
-end
+$:.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
 
-$LOAD_PATH[0,0] = File.join(File.dirname(__FILE__), '..', 'lib')
 require 'mongo'
 
 include Mongo
@@ -15,6 +10,12 @@ port = ENV['MONGO_RUBY_DRIVER_PORT'] || Connection::DEFAULT_PORT
 puts ">> Connecting to #{host}:#{port}"
 db = Connection.new(host, port).db('ruby-mongo-index_test')
 
+class Exception
+  def errmsg
+    "%s: %s\n%s" % [self.class, message, (backtrace || []).join("\n") << "\n"]
+  end
+end
+
 puts ">> Dropping collection test"
 begin
   res = db.drop_collection('test')
@@ -43,8 +44,8 @@ coll.insert(arr)
 puts "inserted"
 
 puts ">> Creating index"
-res = coll.create_index "all", :_id => 1, :number => 1, :rndm => 1, :msg => 1
-# res = coll.create_index "all", '_id' => 1, 'number' => 1, 'rndm' => 1, 'msg' => 1
+#res = coll.create_index "all", :_id => 1, :number => 1, :rndm => 1, :msg => 1
+res = coll.create_index [[:number, 1], [:rndm, 1], [:msg, 1]]
 puts "created index: #{res.inspect}"
 # ============================ Mongo Log ============================
 # Fri Dec  5 14:45:02 Adding all existing records for ruby-mongo-console.test to new index
@@ -76,7 +77,7 @@ end
 
 puts ">> Dropping index"
 begin
-  res = coll.drop_index "all_1"
+  res = coll.drop_index "number_1_rndm_1_msg_1"
   puts "dropped : #{res.inspect}"
 rescue => e
   puts "Error: #{e.errmsg}"

examples/info.rb

@@ -1,4 +1,5 @@
-$LOAD_PATH[0,0] = File.join(File.dirname(__FILE__), '..', 'lib')
+$:.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
+
 require 'mongo'
 
 include Mongo

examples/queries.rb

@@ -1,4 +1,5 @@
-$LOAD_PATH[0,0] = File.join(File.dirname(__FILE__), '..', 'lib')
+$:.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
+
 require 'mongo'
 require 'pp'
 

examples/simple.rb

@@ -1,4 +1,5 @@
-$LOAD_PATH[0,0] = File.join(File.dirname(__FILE__), '..', 'lib')
+$:.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
+
 require 'mongo'
 
 include Mongo

examples/strict.rb

@@ -1,4 +1,5 @@
-$LOAD_PATH[0,0] = File.join(File.dirname(__FILE__), '..', 'lib')
+$:.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
+
 require 'mongo'
 
 include Mongo

examples/types.rb

@@ -1,4 +1,5 @@
-$LOAD_PATH[0,0] = File.join(File.dirname(__FILE__), '..', 'lib')
+$:.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
+
 require 'mongo'
 require 'pp'