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Date: Thu, 16 May 2013 15:00:21 -0500
From: Tim Chase <python.list@tim.thechases.com>
To: Skip Montanaro <skip@pobox.com>
Subject: Re: Number of cells, using CSV module
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Xref: csiph.com comp.lang.python:45454

On 2013-05-16 14:07, Skip Montanaro wrote:
> > len(reader) gives me an error.
> 
> Apologies.  len(list(reader)) should work.  Of course, you'll wind
> up loading the entire CSV file into memory.  You might want to just
> count row-by-row:
> 
> n = 0
> for row in reader:
>     n += 1

which can nicely be rewritten as

  n = sum(1 for row in reader)

:-)

-tkc