From: Brian Candler <b.candler@...>
Date: 2010-07-02T20:11:24+09:00
Subject: Re: FasterCSV - Merge CSV

Christian Smith wrote:
> I have 3 CSVs with the same content with say 10 rows. There is a slight
> variation to 1 column in the data it contains.
> 
> csv1 - 20 lines 10 cols
> csv2 - 52 lines 10 cols
> csv3 - 24 lines 10 cols
> 
> How can I merge all 3 csvs into 1 csv using fastercsv so I have
> 
> csv4 96 lines 10 cols
> 
> Thanks!
> 
> Seed

Why use fastercsv?
cat csv1 csv2 csv3 >csv4
would meet your requirement.

But if you want to use fastercsv, then open each file in turn, read it 
line at a time, and output the line you just read.
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