Quick & Dirty txt2JSON converter

converter.swift

#!/usr/bin/env xcrun swift

import Foundation

func buildFullPath(fileName: String) -> String {
    let cwd = NSFileManager.defaultManager().currentDirectoryPath
    
    let urlCwd = NSURL(fileURLWithPath: cwd)
    
    if let urlPath = NSURL(string: fileName, relativeToURL: urlCwd) {
        if let path = urlPath.path {
            return path
        }
    }
    
    return ""
}

func countryStringToJSONDic(country: String) -> [String: String] {
    
    let countryInfo = country.componentsSeparatedByString(":")
    return ["code":countryInfo[0], "name":countryInfo[1]]
}

func countriesToArrayOfCountries(countries:String) -> [String] {
    return countries.componentsSeparatedByString("\n")
}

let fileName = Process.arguments[1]
let outputFileName = Process.arguments[2]

let fullPath = buildFullPath(fileName)
let fileContent = try! NSString(contentsOfFile: fullPath, encoding: NSUTF8StringEncoding)

let countries = countriesToArrayOfCountries(fileContent as String).map(countryStringToJSONDic)
let jsonData = try! NSJSONSerialization.dataWithJSONObject(countries, options: NSJSONWritingOptions.PrettyPrinted)

try! jsonData.writeToFile(buildFullPath(outputFileName), options: [.DataWritingAtomic])