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* sample/trick2013/: added the award-winning entries of TRICK 2013.

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See https://github.com/tric/trick2013 for the contest outline.
  (Matz has approved the attachment.)

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44403 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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ChangeLog
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Wed Dec 25 12:33:41 2013 Yusuke Endoh <mame@tsg.ne.jp>
* sample/trick2013/: added the award-winning entries of TRICK 2013.
See https://github.com/tric/trick2013 for the contest outline.
(Matz has approved the attachment.)
Wed Dec 25 10:42:02 2013 Yamashita Yuu <yamashita@geishatokyo.com>
* ext/openssl/ossl_ssl.c (Init_ossl_ssl): Declare a constant

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This directory contains the award-winning entries of
the 1st Transcendental Ruby Imbroglio Contest for rubyKaigi (TRICK 2013).
THESE ARE BAD EXAMPLES! You must NOT use them as a sample code.
* kinaba/entry.rb: "Best pangram" - Gold award
* mame/entry.rb: "Most classic" - Bronze award
* shinh/entry.rb: "Most Readable" - Silver award
* yhara/entry.rb: "Worst abuse of constants" - Dishonorable mention
For the contest outline and other winning entries, see:
https://github.com/tric/trick2013

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* kinaba
* kiki@kmonos.net
* cctld: jp

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!@THEqQUICKbBROWNfFXjJMPSvVLAZYDGgkyz&[%r{\"}mosx,4>6]|?'while(putc 3_0-~$.+=9/2^5;)<18*7and:`#

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### Remarks
Just run it with no argument:
ruby entry.rb
I confirmed the following implementations/platforms:
* ruby 2.0.0p0 (2013-02-24) [i386-mswin32\_100]
### Description
The program prints each ASCII character from 0x20 ' ' to 0x7e '~' exactly once.
The program contains each ASCII character from 0x20 ' ' to 0x7e '~' exactly once.
### Internals
The algorthim is the obvious loop "32.upto(126){|x| putc x}".
It is not so hard to transform it to use each character *at most once*. Only the slight difficulty comes from the constraint that we cannot "declare and then use" variables, because then the code will contain the variable name twice. This restriction is worked around by the $. global variable, the best friend of Ruby golfers.
The relatively interesting part is to use all the charcters *at least once*. Of course, this is easily accomplished by putting everything into a comment (i.e., #unsed...) or to a string literal (%(unused...), note that normal string literals are forbidden since they use quotation marks twice). Hey, but that's not fun at all! I tried to minimize the escapeway.
* "@THEqQUICKbBROWNfFXjJMPSvVLAZYDGgkyz". Trash box of unused alphabet. I with I could have used "gkyz" somewhere else.
* "%r{\"}mosx". Regex literal, with %-syntax. I don't even know what each m,o,s,x means...
* "?'" Symbol literal. The quote characters (' " \`) are the first obstacle to this trial because they have to be used in pair usually. These are escaped as \" and ?' and :\`.
* "4>6" "3\_0-~$.+=9/2^5" "18\*7". I had to consume many arithmetic operators +-\*/^~<>, but I only have ten literals 0 to 9 and $. as operands. Besides I have to express the print loop. This is an interesting puzzle.
* "(putc ...;)<18*7". Trail semicolon doesn't change the value of the expression.
### Limitation
n/a.

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* Yusuke Endoh
* mame@tsg.ne.jp
* cctld: jp

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eval$C=%q(at_exit{
open("/dev/dsp","wb"){|g|h=[0]*80
$><<"\s"*18+"eval$C=%q(#$C);S=%:"
(S<<m=58).lines{|l|s=[128]*n=20E2
t=0; h.map!{|v|d=?!==l[
t]?1 :(l[
t]== ?#)?
0*v= 6:03
(v<1 ?[]:
0..n -1).
each {|z|
s[z] +=2*
M.sin(($*[0] ||1)
.to_f*M.sin(y= 40*(z+m)*2**
(t/12E0)/463)+ y)*(v-z*d/n)};
t+=1;v-d};m+= n;g.flush<<(s.
pack"C*"); puts(l)}}};M=
Math);S=%:
Jesu, Joy of Man's Desiring
Johann Sebastian Bach
#
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### Remarks
Run the program under a platform that `/dev/dsp` is available.
For example, if you are using pulseaudio, use `padsp`:
padsp ruby entry.rb
Please see Limitation if you want to run this program on os x.
I confirmed the following platforms.
* ruby 2.0.0p0 (2013-02-24 revision 39474) [x86\_64-linux]
* ruby 1.9.3p194 (2012-04-20 revision 35410) [x86\_64-linux]
* ruby 1.9.3p327 (2012-11-10 revision 37606) [x86\_64-darwin10.8.0]
For those who are lazy, I'm attaching a screencast.
### Description
This program is a music-box quine.
It prints itself with playing "Jesu, Joy of Man's Desiring".
### Internal
Like a real music box, this program consists of a mechanical part (code) and a piano roll.
In the piano roll, `#` represents a pin that hits a note, and `|` represents a slur.
The leftmost column corresponds 110Hz (low A).
Every column corresponds a semitone higher than the left one.
This program uses [the frequency modulation synthesis](http://en.wikipedia.org/wiki/Frequency_modulation_synthesis) to play the sound like a music-box.
You can create a different-sounding tone by changing the parameter.
For example, the following will play the sound like a harpsichord.
padsp ruby entry.rb 2.0
Note that this program does *not* use an idiom to remove whitespace, such as `.split.join`. All newlines and spaces do not violate any of the Ruby syntax rules.
### Limitation
On os x, `/dev/dsp` is not available.
You have to use sox by replacing the following part:
open("/dev/dsp","wb")
with:
IO.popen("./pl","wb")

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Shinichiro Hamaji
Japan, .jp

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begin with an easy program.
you should be able to write
a program unless for you,
program in ruby language is
too difficult. At the end
of your journey towards the
ultimate program; you must
be a part of a programming
language. You will end if
you != program

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This program is a meaningless poem.
This does nothing for you.
Almost everything in this code is junk,
but you and program would confuse you a bit.

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* Yutaka Hara
* yutaka.hara.gmail.com
* cctld: jp

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def _(&b)$><<->(x){x ? (String===x ?x.upcase:
(Class===x ? x : x.class).name[$a?0:($a=5)]):
" "}[ begin b[];rescue Exception;$!;end ] end
_ { return }
_ { method(:p).unbind }
_ { eval "{ " }
_ { Thread.current.join }
_ { nil }
_ { select }
_ { ruby }
_ { self.class }
_ { Thread.current.group }
_ { nil.to_h }
_ { "\xFF".encode("big5") }
_ { raise }
_ { [0][1] }
_ { Regexp.compile "*" }
_ { RUBY_COPYRIGHT[32] }
_ { binding }
_ { :s.class.name[1] }
_ { warn }
_ { [a: :b][0] }
_ { methods }
_ { IO.class }
_ { {}.fetch(0) }
_ { open " " }
_ { 1000000.chr }

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### Remarks
Just run it with no argument:
ruby entry.rb
I confirmed the following implementations/platforms:
* ruby 2.0.0p0 (2013-02-24 revision 39474) [x86\_64-darwin12.2.1]
### Description
It prints JUST ANOTHER RUBY HACKER¡£
### Internals
This script uses characters in constants in Object class. It
intentionally raises some exceptions. The second 'U' comes from
RUBY\_COPYRIGHT, "Yukihiro Matsumoto".
### Limitation
This program does not work on JRuby because "return" does not raise an exception.

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### Remarks
引数なしで普通に実行してください。
ruby entry.rb
以下の実装・プラットフォームで動作確認しています。
* ruby 2.0.0p0 (2013-02-24 revision 39474) [x86\_64-darwin12.2.1]
### Description
JUST ANOTHER RUBY HACKERと表示します。
### Internals
Objectクラスの定数から文字を拾っています。
そのために、意図的に例外を起こしています。
「U」が一つしか見つからなかったので、もう一個はRUBY\_COPYRIGHTの
「Yukihiro Matsumoto」から取っています。
### Limitation
JRubyはreturnがエラーにならなくて、動きませんでした。