Incrementing a Count Variable With Mongo

The main line that you need to look for is the following one:
db.logs.update({}, {$inc:{count:1}});

	~ $ mongo -u USERNAME -p PASSWORD Flame.mongohq.com:27094/wereviewutah
	MongoDB shell version: 1.6.5
	connecting to: Flame.mongohq.com:27094/wereviewutah
	> db.logs.find()
	{ "_id" : ObjectId("4da0d8a5a130714ae1000023"), "count" : 1 }
	> db.logs.findOne()
	{ "_id" : ObjectId("4da0d8a5a130714ae1000023"), "count" : 1 }
	> db.logs.update({}, {$inc:{count:1}})
	> db.logs.findOne()
	{ "_id" : ObjectId("4da0d8a5a130714ae1000023"), "count" : 2 }

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