Use Swift to connect Facebook Graph API, and then get UID of post like

GetPostLikeUID

import Foundation

func input() -> String {
    var keyboard = NSFileHandle.fileHandleWithStandardInput()
    var inputData = keyboard.availableData
    return NSString(data: inputData, encoding:NSUTF8StringEncoding).stringByReplacingOccurrencesOfString("\n", withString:"")
}
print("{Post-ID}:")

var PostID = input()
var urlPath = "https://graph.facebook.com/" + PostID + "/likes?limit=1000"
var outputFile: NSMutableString = ""
var url: NSURL
var request: NSURLRequest
var response: NSData
var JSONData: NSDictionary
var FacebookUID: NSArray
var getNextFlag: NSDictionary
var nextFlag: NSArray

do {
    url = NSURL(string: urlPath)
    request = NSURLRequest(URL: url)
    response = NSURLConnection.sendSynchronousRequest(request, returningResponse: nil, error: nil)
    JSONData = NSJSONSerialization.JSONObjectWithData(response, options: NSJSONReadingOptions.MutableContainers, error: nil) as NSDictionary
    FacebookUID = JSONData["data"].valueForKey("id") as NSArray
    
    for var i = 0; i < FacebookUID.count; ++i {
        outputFile.appendFormat("%@\n", FacebookUID.objectAtIndex(i).stringByStandardizingPath)
    }
    if FacebookUID.count < 1000 {
        break
    }else {
        getNextFlag = JSONData["paging"] as NSDictionary
        nextFlag = getNextFlag.allKeys
        if nextFlag[1] as NSString == "next" {
            urlPath = JSONData["paging"].valueForKey("next").stringByStandardizingPath
        }
    }
} while nextFlag[1] as NSString == "next"

println(outputFile)
outputFile.writeToFile("Your CSV file Path", atomically:true)