Fw: [Python-Dev] Use for enumerate() (original) (raw)

Raymond Hettinger python@rcn.com
Sat, 27 Apr 2002 13:20:59 -0400

> > > Challenge 3: do it faster and with less code. > it should work even if the file is too large > to fit in memory (as long as each individual line fits in memory).

def getline(filename, lineno): if lineno < 1: return '' f = open(filename) g = f.readline return (reduce(lambda x,y: g(), range(lineno), ''), f.close())[0]

This incorporates a couple of ideas inspired by Tim's post.

Raymond Hettinger