From: Morton Goldberg <m_goldberg@...>
Date: 2007-02-08T14:10:36+09:00
Subject: Re: How to manipulate binary file

On Feb 7, 2007, at 9:13 PM, Minxing Liu wrote:

> I love Ruby very much and now Ruby is my first language.But now I  
> meet a
> problem on Ruby.I want to do as follows:
> 1:Open a file in binary mode
> 2:Shift the bit in a algorithm
> 3:Save the file
>
> I don't know how to shift the bit stream in Ruby.Can any one give  
> me an
> advice???

The bit-shift operator is <<. Example:

<code>
n = 1
n = n << 2 # => 4 (left shift)
n << -1 # => 2 (right shift)
</code>

Regards, Morton