From: William James <w_a_x_man@...>
Date: 2008-03-13T15:24:53+09:00
Subject: Re: mechanize 0.7.3 Released



Roger Pack wrote:
> Questions:
>
> The following ways all recreate my original string, however I am having
> trouble getting the comparison work to itself expressed in string
> form--it's like the string form doesn't express all the inside chars or
> something--am I missing something?  Is there a way to recreate the
> string along the lines of "dent?\226" and, as a follow up, is
> complicated_string.inspect just not displaying the interior characters
> right?
>
>
> >>  bytes = [100, 101, 110, 116, 226, 60, 56, 48, 62, 60, 57, 57, 62, 115,
> ?>     32, 112, 114, 101, 118, 105, 111, 117]
> >>   bytes.pack('C*') == "dent?<80><99>s previou"
> => false
> >> str = ""
> => ""
> >>
> ?> for code in bytes
> >>   str << code.chr
> >> end
> => [100, 101, 110, 116, 226, 60, 56, 48, 62, 60, 57, 57, 62, 115, 32,
> 112, 114, 101, 118, 105, 111, 117]
> >> str == "dent?<80><99>s previou"
> => false
> >> str = bytes.map{|n| n.chr}.join
> => "dent?<80><99>s previou"
> >> str == "dent?<80><99>s previou"
> => false

irb(main):002:0> ?A
=> 65
irb(main):003:0> ??
=> 63
irb(main):004:0> 226.chr
=> "\342"
irb(main):005:0> puts 226.chr
Ã

The character whose ASCII code is 226 is not a question mark.
The ASCII code of a question mark is 63.

irb(main):008:0> puts [100, 101, 110, 116, 226].map{|n| n.chr}.join
dentÃ
irb(main):009:0> "342".to_i(8)
=> 226

Octal for 226 is 342.