> db.foo.validate
 function () {
 var res = this._db.runCommand(

{validate:this.getName()}

);
 res.valid = false;
 var raw = res.result || res.raw;
 if (raw) {
 var str = "-" + tojson(raw);
 res.valid = !(str.match(/exception/) || str.match(/corrupt/));
 var p = /lastExtentSize:(\d+)/;
 var r = p.exec(str);
 if (r)

{ res.lastExtentSize = Number(r[1]); }

}
 return res;
 }>