Happy Xmas!

xmas.lua

             local 
            h,d,r=9,
           0,{} while
          h>0 do local
         l='' h=h-1 for
        x=0, 38 do local
       a=x-6 if a<0 then a
     = -a end if a <= d then
    l = l .. '*' elseif (0.3/
   (h+1)) > math.random() then
 l=l..'.' else l=l..' ' end end d=
d+1 table.insert(r, l) end return r

xmas.md

Happy Xmas!

A Redis Lua port of https://gist.github.com/antirez/2298640095f972d1a6d0

$ export SHA1=`redis-cli SCRIPT LOAD "$(cat xmas.lua)"`
$ redis-cli --raw EVALSHA $SHA1 0
      *                              .
     ***
    *****            .
   *******      .     .
  *********
 ***********   .          .  . ..
*************                    .
**************                   .    .
***************. . .     ..   .    ..