FeliCa2Money.CsvRule.getMultiCol C# (CSharp) Method

        private string getMultiCol(string[] row, string key)
        {
            string val = "";
            for (int i = 0; i < mColumnDefs.Length; i++)
            {
                if (key == mColumnDefs[i] && row[i].Length > 0)
                {
                    if (val.Length > 0)
                    {
                        val += " ";
                    }
                    val += row[i];
                }
            }
            return val;
        }