Facebook Hackers Cup: Beautiful strings

gistfile1.txt

//Hackers Cup 2013
//Node.js Submission
 
 
var fs = require('fs')
var totalValue 
var stringInfo 
var sortedStringInfo
 
fs.readFile("beautiful_stringstxt.txt","UTF-8",function(err,data) {
    var split = data.split("\n")
    var numOfLines = split[0]
    if(numOfLines >= 5 && numOfLines <= 50 )
        for(var j=1; j <= split[0]; j++) { 
            line = split[j]
            line = line.toLowerCase()
            stringInfo = {} 
            if(line.length >= 2 && line.length <= 500){
                for(var i = 0; i < line.length; i++) {
                    if(/[a-z]/.test(line[i])) {
                        if(typeof(stringInfo[line[i]])== 'undefined')  
                            stringInfo[line[i]] = 1
                        else
                            stringInfo[line[i]]++
                    }
                }
                sortedStringInfo = []
                for (var key in stringInfo){ 
                    sortedStringInfo.push([key, stringInfo[key]]) 
                }
                totalValue = 0
                sortedStringInfo.sort(function(a, b) { return a[1] < b[1] ? 1 : a[1] > b[1] ? -1 : 0 })
                for( var i =0; i < sortedStringInfo.length; i++) {
                    totalValue += sortedStringInfo[i][1]* (26 - i)
                }
                console.log("Case #" + j + ": " + totalValue)
            }
        }
 
}                 
 
 
           )