Daya Kiran Sunkara wrote: > ... > path = 'E:\mktrisk\service\marketdata\da' You should use: path = r'E:\mktrisk\service\marketdata\da' if you want to use backslashes regularly (for regexps and paths). You do know you could also use: path = 'E:/mktrisk/service/marketdata/da' even on windows. --Scott David Daniels scott.daniels at acm.org