Not tested: import glob import os path=r'C:\datafiles\' for fileName in glob.glob(os.path.join(path,'*.DAT')): dataFile=open(fileName, 'r').readlines() . . Continue yur code here .
-Larry Bates hungbichvo wrote: > Dear All, > > My python application is small. It reads data from a file. > My code is: > fileName = '900128.DAT' > dataFile = open(fileName, 'r').readlines() > I have to run 100 input files .DAT. Each time I run application, I have > to change code fileName to a new one. For example, fileName > = 'NewFile.DAT'. > I do not know how I can process all file with extension .DAT in a > specific directory once only. > > Any suggestion will be appreciated, > > Thank you. > > > -- http://mail.python.org/mailman/listinfo/python-list