Template:ClassMatrix

{{#lua:

 local input = stdin:match(".+");
 local xaxis, yaxis, all = string.match(input, "([^&]+)&&([^&]+)&&(.+)");
 local xval = {};
 local yval = {};
 local M = {};
 for id in string.gmatch(all,"(%S+)") do
   x = string.sub(id, {{{2}}}, {{{3}}});
   y = string.sub(id, {{{4}}}, {{{5}}});
   print("accessing " .. x .. " : " .. y);
   if (M[x] == nil) then M[x] = {}; end
   if (M[x][y] == nil)
     then M[x][y] = 1;
     else M[x][y] = M[x][y] + 1;
   end
 end
 for x,v in string.gmatch(xaxis, "(%S+) (%S+)") do
   for y,v in string.gmatch(yaxis, "(%S+) (%S+)") do
     print(M[x][y] .. " ");
   end
   print("\n");
 end
 

|{{#lua:

 local H = {};
 local T = {};
 for id in stdin:gmatch("%w+") do
   str = string.sub(id,{{{2}}},{{{3}}});
   if (H[str] == nil)
     then H[str] = 1; table.insert(T, str);
     else H[str] = H[str] + 1;
   end
 end
 table.sort(T);
 for i=1,table.getn(T) do
   local k = T[i];
   print(k .. " " .. H[k]);
 end

| }}&&{{#lua:

 local H = {};
 local T = {};
 for id in stdin:gmatch("%w+") do
   str = string.sub(id,{{{4}}},{{{5}}});
   if (H[str] == nil)
     then H[str] = 1; table.insert(T, str);
     else H[str] = H[str] + 1;
   end
 end
 table.sort(T);
 for i=1,table.getn(T) do
   local k = T[i];
   print(k .. " " .. H[k]);
 end

| }}&& }}

	{{#lua:}}! ({{{1}}} ()	{{{1}}} ()	for (id in stdin:gmatch("%w+") do)	{{{1}}} ()	{{{1}}} ()	{{{1}}} ()	{{{1}}} ()	end ()	end ()	table.sort(T); ()	{{{1}}} ()	{{{1}}} ()	print(k (.. " " .. H[k]);)	end ()	()	())