From: Marco Bottaro <marco.external@...>
Date: 2006-05-04T23:16:08+09:00
Subject: Re: Ruby equivalent to simple awk program

I keep finding myself iterating and collecting this way. Would you care 
please to illustrate with an example?

Very much appreciated!

Cheers,

Marco

James Gray wrote:
> On May 4, 2006, at 8:34 AM, Gregory Seidman wrote:
> 
>> I have gotten pretty good with Ruby and I *can* duplicate this in  
>> about 10
>> seconds:
>>
>> input = (ARGV.length>0) ? File.new(ARGV[0]) : $stdin
> 
> If you change that to:
> 
> input = ARGF
> 
> You get the same behavior, but can accept multiple argument files on
> the command-line.
> 
>> arr = []
>> input.each_line { |line| arr << line }
> 
> Usually when you iterate and collect like this, it's a sign that you
> really want a different method (readlines() or to_a() in this case).
> 
> James Edward Gray II


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