From: Robert Klemme <shortcutter@...>
Date: 2009-11-30T17:00:14+09:00
Subject: Re: Ruby byte access to disk sectors like dd does

2009/11/29 Rob Biedenharn <Rob@agileconsultingllc.com>:
>
> On Nov 29, 2009, at 8:00 AM, Robert Klemme wrote:
>> <quiz-idea>
>> Write a program that reads binary files and outputs them in a similar
>> format as "hexdump -C" integrating features of "dd": The program needs to be
>> able to understand a series of paired options "--start X --length Y" and
>> "--start X --end Z" (X, Y, Z of course being integer numbers with obvious
>> properties) which denote the regions of the stream to read.  The program
>> must be capable of reading from a pipe as well!  Bonus points for accepting
>> parameter "--block-size B" which determines the size of chunks read in one
>> read operation.  You may also invent any number of additional options which
>> control formatting of the output.  Source code must be shorter than 20 lines
>> of code per additional option. ;-)
>> </quiz-idea>

> That sounds like quiz #171 - hexdump - from early this year.
>
> http://rubyquiz.strd6.com/quizzes/171

I swear I wasn't aware of that.  But the idea isn't too esoteric so it
comes as no surprise that several people have had it.  There is at
least a small difference in that I included the "dd" part which does
not seem to be present in #171.

Kind regards

robert

-- 
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/