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Diffstat (limited to 'sample/trick2018/02-mame/remarks.markdown')
| -rw-r--r-- | sample/trick2018/02-mame/remarks.markdown | 16 |
1 files changed, 16 insertions, 0 deletions
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. |