while c = f.read(1)

[en.karpachov at ospaz.ru]

On 18 Aug 2005 22:21:53 -0700
Greg McIntyre wrote:

> I have a Python snippet:
> 
>   f = open("blah.txt", "r")
>   while True:
>       c = f.read(1)
>       if c == '': break # EOF
>       # ... work on c
> 
> Is some way to make this code more compact and simple? It's a bit
> spaghetti.

import itertools
f = open("blah.txt", "r")
for c in itertools.chain(*f):
     print c
     # ...

The "f" is iterable itself, yielding a new line from the file every time.
Lines are iterable as well, so the itertools.chain iterates through each
line and yields a character.

-- 
jk