1st commit on 110_lua

challenge-110/stuart-little/lua/ch-1.lua

@@ -0,0 +1,13 @@
+#!/usr/bin/env lua
+
+-- run <script> <file>
+
+require('luarocks.loader')
+local re = require('re')
+
+for l in io.lines(arg[1]) do
+   local mtch = table.pack(re.match(l, "({'+'%d^2%s+%d^10 / '('%d^2')'%s+%d^10 / %d^4%s+%d^10/.})*"))
+   for _,v in ipairs(mtch) do
+      if v:len() > 1 then print(v) end 
+   end
+end

challenge-110/stuart-little/lua/ch-2.lua

@@ -0,0 +1,18 @@
+#!/usr/bin/env lua
+
+-- run <script> <file>
+
+local t={}
+for l in io.lines(arg[1]) do
+   local lt = {}
+   for w in l:gmatch("[^,]+") do table.insert(lt,w) end
+   table.insert(t,lt)
+end
+
+for i=1,#t[1] do
+   local col = {}
+   for j=1,#t do
+      table.insert(col,t[j][i])
+   end
+   print(table.concat(col,","))
+end