From: Vassilis Rizopoulos <damphyr@...>
Date: 2007-04-09T20:55:29+09:00
Subject: Re: read data line by line

James Edward Gray II wrote:
>  On Apr 6, 2007, at 11:51 PM, Krishna Vutukuru wrote:
>
> > could anybody please give me an example of how to read data from a
> > text file line by line so that manipulations can be made on each
> > and everyline and copy those to other file?
>
>  File.open("output.txt", "w") do |output| File.foreach("input.txt") do
>  |line| # change line here... output << line end end
>
>  Hope that helps.
>
>  James Edward Gray II
>
>
As well as something like this

lines=File.readlines("filename")
lines.collect!{|l| do something with l and give it back}
File.open("output","w"){|f| f<<lines.join("\n")}

Pedantic, I know :)
V.-
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