About open file for Read

moonhkt moonhkt at gmail.com
Mon Dec 10 17:36:22 CET 2012

Hi All

I am new in Python. When using open and then for line in f .

Does it read all the data into f object ? or read line by line ?

  f=open(file, 'r')
           for line in f:
              if userstring in line:
                 print "file: " + os.path.join(root,file)


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