On 8/27/2011 1:45 PM, Roy Smith wrote:
In article<[email protected]>,
  Steven D'Aprano<[email protected]>  wrote:

open("file.txt")   # opens the file
  .read()           # reads the contents of the file
  .split("\n\n")    # splits the text on double-newlines.

The biggest problem with this code is that read() slurps the entire file
into a string.  That's fine for moderately sized files, but will fail
(or at least be grossly inefficient) for very large files.

I read the above as separating the file into paragraphs, as indicated by blank lines.

def paragraphs(file):
  para = []
  for line in file:
    if line:
      para.append(line)
    else:
      yield para # or ''.join(para), as desired
      para = []

--
Terry Jan Reedy

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