1. mongo test
   MongoDB shell version: 1.0.0
   url: test
   connecting to: test
   type "help" for help
   > db.test.save(
   Unknown macro: {a}

   )
   > db.test.save(

   Unknown macro: {a}

   )
   > db.test.save(

   Unknown macro: {a}

   )
   > db.test.save(

   Unknown macro: {a}

   )
   > db.test.save(

   Unknown macro: {a}

   )
   > db.test.save(

   Unknown macro: {a}

   )
   > db.test.group(

   Unknown macro: {key}

   )
   Thu Sep 3 13:17:19 JS Error: uncaught exception: group command failed:

   {"errmsg" : "can't only handle real keys right now, not functions" , "ok" : 0}

> db.test.group({keyf: function(el){ return

; }, initial:

, $reduce: function(o, i)

})
Thu Sep 3 13:32:03 JS Error: SyntaxError: missing : after property id (shell):0