I am using mongodb for tracking my website. I am saving date and time with ISODate , "time" : ISODate("2014-05-18T13:23:04.227Z") .

So, I wrote like that.

db.analystic.aggregate(
{
    "$project": {
        "y": {
            "$year": "$time"
        },
        "m": {
            "$month": "$time"
        },
        "d": {
            "$dayOfMonth": "$time"
        }
    }
},
{
    "$group": {
        "_id": {
            "year": "$y",
            "month": "$m",
            "day": "$d"
        },
        count: {
            "$sum": 1
        }
    }
},
{
    $sort: {
        "_id.year": 1,
        "_id.month": 1,
        "_id.day": 1
    }
})

First , need to separate the year , month and date. After that , make a group and then sort it.

I want to get sorted file array with python.

I have a array like following

• Testing1.txt
• Testing2.txt
• Testing3.txt
• Testing10.txt
• Testing11.txt
• Testing20.txt
• Testing30.txt

When I use subDir = os.listdir(dirname) , it didn’t sort.

It will return like following order

• Testing1.txt
• Testin10.txt
• Testin11.txt
• Testing 2.txt
• Testing 20.txt
• Testing 3.txt
• Testing 30.txt

We need to use sorted function to sort and we need to tell between Testing and .txt is a integer value.

Here is my code

[gist id=”3848050”]

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