read-write-text-swift

let location = NSString(string:"Users/mahdidham/Documents/BP-JST/file.txt").stringByExpandingTildeInPath
let fileContent = try? NSString(contentsOfFile: location, encoding: NSUTF8StringEncoding)
let text = "some text"

if let dir : NSString = NSSearchPathForDirectoriesInDomains(NSSearchPathDirectory.DocumentDirectory, NSSearchPathDomainMask.AllDomainsMask, true).first {
    let path = dir.stringByAppendingPathComponent(fileContent);

    //writing
    do {
        try text.writeToFile(path, atomically: false, encoding: NSUTF8StringEncoding)
    }
    catch {/* error handling here */}

    //reading
    do {
        let text2 = try NSString(contentsOfFile: path, encoding: NSUTF8StringEncoding)
    }
    catch {/* error handling here */}
}