import.txt

 mongoimport -d mydb -c results --type csv --file poolA-n-2.csv --headerline 		TOS


//Below is the command to convert all the numlong phone numbers which I had faced some difficulty in querying using monk, so instead of searching around I thought to convert all of them into strings

db.results.find({}).forEach(function(doc) { 
    if(!isNaN(doc['Phone Number'])) { 
        print('found string: ' + doc._id);
        db.results.update( 
           { _id: doc._id}, 
           { $set : { "Phone Number" : doc['Phone Number'].toString().match(/\d+/)[0] } }
        )
    }
})

db.results.find({}).forEach(function(doc) { 
    if(doc.hasOwnProperty('RollNo')) { 
        print('found string: ' + doc._id);
        	 db.results.update( 
           { _id: doc._id}, 
           { $set : { "Rollno" : doc['RollNo'] } }
        )
    }
})

db.results.find({}).count()
        db.results.update( 
           { _id: doc._id}, 
           { $set : { "Phone Number" : doc['Phone Number'].toString().match(/\d+/)[0] } }
        )