From: S Wayne <wrecklass1@...>
Date: 2006-07-18T00:00:11+09:00
Subject: Re: First ruby code, need hint on iterator

Keep a count of total characters processed, and output if that is the
same as the length of your string: (see my embedded changes)

Gerr wrote:
> Hello,
>
> Consider the following code which generates a hexdump of a string:
>
> ----------------------------------------------------------------------
>
> #!/usr/bin/ruby
>
> module Dump
>
>         def hexdump
>
>                 x = 0
                   num_chars = 0
>                 offset = 0
>                 hex = ""
>                 str = ""
>                 out = ""
>
>                 each_byte { |c|
>
>                         x = x + 1
                           num_chars += 1
>
>                         hex << sprintf("%02x ", c)
>                         hex << "- " if(x == 8)
>                         str << ((c >= 32 && c<=127) ? c.to_i.chr : ".")
>
                         if(x == 16) || num_chars >= length
>                                 out << sprintf("%08x: %-50s %s\n", offset, hex, str)
>                                 x = 0
>                                 hex = ""
>                                 str = ""
>                                 offset = offset + 16
>                         end
>                 }
>
>                 out << "\n"
>
>                 return out
>         end
> end
> 
> 
> l = $stdin.read(10000)
> l.extend Dump
> print l.hexdump
>