From: Peter Bailey <pbailey@...>
Date: 2006-04-07T01:03:51+09:00
Subject: Re: Basic input/output question

James Gray wrote:
> On Apr 6, 2006, at 9:36 AM, Peter Bailey wrote:
> 
>> Hello,
>> I spent my $40 on "Programming Ruby," but, it seems dedicated to C
>> programmer rocket scientists. I work in publishing and basically I  
>> just
>> need to open files, convert the data, and write the files, either  
>> to the
>> same file or to another. Can someone please help me to write a simple
>> structure to read a file "text1.txt", do regexes and stuff in it to
>> convert data, and then write the output to "text2.txt."
> 
> Sure, see if something like this would help you:
> 
> File.open("text2.txt", "w") do |output|
>    File.foreach("text1.txt") do |line|
>      # change line as need here, for example:
>      # line.sub!(/regex here/, "replacement here")...
> 
>      output << line
>    end
> end
> 
> Hope that helps.
> 
> James Edward Gray II

I think that this will help me a lot. Now, I see that this is line 
oriented. Correct? So, line by line, I can read the lines, change stuff, 
and write the lines. Cool. Thanks a lot, James!

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