diff options
Diffstat (limited to 'sample/trick2018/02-mame')
| -rw-r--r-- | sample/trick2018/02-mame/authors.markdown | 3 | ||||
| -rw-r--r-- | sample/trick2018/02-mame/entry.rb | 15 | ||||
| -rw-r--r-- | sample/trick2018/02-mame/remarks.markdown | 16 |
3 files changed, 34 insertions, 0 deletions
diff --git a/sample/trick2018/02-mame/authors.markdown b/sample/trick2018/02-mame/authors.markdown new file mode 100644 index 0000000000..0e420fdf5d --- /dev/null +++ b/sample/trick2018/02-mame/authors.markdown @@ -0,0 +1,3 @@ +* Yusuke Endoh + * mame@ruby-lang.org + * cctld: jp diff --git a/sample/trick2018/02-mame/entry.rb b/sample/trick2018/02-mame/entry.rb new file mode 100644 index 0000000000..cc4ef9cbc4 --- /dev/null +++ b/sample/trick2018/02-mame/entry.rb @@ -0,0 +1,15 @@ +'';eval(r=%q(->z{r="'';eval(r=\ +%q(#{r}))[%q`#{z}`]";i=-040;30. +times{|n|(15+n%2*15-n/2).times{ +r<<r[i+=(1.-n&2)*(32-n%2*31)]}} +i=r[524,0]=?\0;eval(r[479..-1]) +c['"']}))[%q`GFEDCBA"+"[e\"'"'t +kE*;;\";" TRICK2018 ";tb,;{{r +2E0$ob[us@*0)[90,336])_#i\n}s#i +0H}>["t]];};o[1,?\n*8];ex"-}eac +1Hl<1[-1]*2*t=n%2];o[14-n,0)mvk +8M$<4,?\n];15.times{|n|;o[35ie2 +!Pss.slice!(0,1)+x;sleep(0.0t;0 +'W=%q"<<95<<$s<<95;o=->n,x{n.'1 +;@[2]}|\e../,%@s="'%trick2018!8 +eval$s=%q_eval($s.gsub!(/#{%@`] diff --git a/sample/trick2018/02-mame/remarks.markdown b/sample/trick2018/02-mame/remarks.markdown new file mode 100644 index 0000000000..88b32c205a --- /dev/null +++ b/sample/trick2018/02-mame/remarks.markdown @@ -0,0 +1,16 @@ +This program quines with animation. + +``` +$ ruby entry.rb +``` + +Of course, the output is executable. + +``` +$ ruby entry.rb > output +$ ruby output +``` + +Note, we don't cheat. This program uses escape sequences just for moving the cursor. It doesn't use attribution change nor overwrite to hide any code. + +The program is crafted so that it works in two ways; it works as a normal program text, and, it also works when it is rearranged in a spiral order. Some parts of the code are actually overlapped. |