gistfile1.swift

#!/usr/bin/swift

import Foundation

print("Content-type: text/html\n\n")



// load all data files
let dataDir = "/Users/abhi/www/data.json-files"
let dataFiles = NSFileManager.defaultManager().contentsOfDirectoryAtPath(dataDir, error: nil) as Array!

// pick which one to show
let timeinterval = NSDate().timeIntervalSince1970
let fileIndex = Int(timeinterval * 60) % dataFiles.count

let filePath = dataDir.stringByAppendingPathComponent(dataFiles[fileIndex] as String)

// print it out
let data = NSData(contentsOfFile: filePath)
if data == nil {
  print("cannot read file")
  exit(0)
}

let string = NSString(data: data!, encoding: NSUTF8StringEncoding)
print(string!)