From: Florian Gross <florgro@...>
Date: 2007-07-17T10:34:34+09:00
Subject: Re: How to reclaim memory without GC.start



On Jul 16, 11:30 pm, "dtutt...@gmail.com" <dtutt...@gmail.com> wrote:
> file = File.new file_path
> while buffer = file.read(512)
>   stream_host_connection.write buffer
>   stream_host_connection.flush
>   # GC.start - too expensive
> end

Note that IO#read supports a buffer argument:

buffer = ""
while file.read(512, buffer)
  ...
end

In that case it won't create a new string object for each call. It
will just modify buffer instead.