Check if a file is bigger than 0 KB

fileBiggerThan0KB.swift

func fileBiggerThan0KB(path: String) -> Bool {
    do {
        var fileSize : UInt64 = 0

        //return [FileAttributeKey : Any]
        let attr = try FileManager.default.attributesOfItem(atPath: path)
        fileSize = attr[FileAttributeKey.size] as! UInt64

        //if you convert to NSDictionary, you can get file size old way as well.
        let dict = attr as NSDictionary
        fileSize = dict.fileSize()
        if fileSize > 0 {
            return true
        }
    } catch {
    }
    return false
}