From: Peter Bailey <pbailey@...>
Date: 2006-09-28T05:34:07+09:00
Subject: Re: problem with ".scan"

Robert Klemme wrote:
> Peter Bailey <pbailey@bna.com> wrote:
>>>
>> Thanks a lot, -a! I've cleaned up my code. But, if you notice way
>> above, I've got a File.read in the line before the file scan. If I do
>> an "end" for the file scan, my "read" is still open, right? Meaning,
>> I can still do stuff to the open file.
> 
> If you're referring to your original code, then no. You use 
> File.read(name)
> which returns the whole file in a single string. No open connection is
> returned.
> 
> Btw, for efficiency reasons if your files are large you might consider 
> using
> 
> File.foreach(file_name) do |line|
>     ....
> end
> 
> Or use File.readlines instead of File.read - that way you get an array 
> with
> lines and not the whole file in one piece.
> 
> Kind regards
> 
>     robert


Thanks, Robert. I'll look into that line-by-line technique. The reason I 
probably haven't used it is that I often need to search for or 
accommodate data that spans over multiple lines.

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