--- /dev/null
+print("This is how a cmd-line interface could be implemented\nPrint 'exit' to exit.\n")
+local answer
+repeat
+ io.write("$>")
+ io.flush()
+ answer=io.read()
+ if answer ~= 'exit' then
+ local func = assert(loadstring("return " .. answer))
+ io.write("\n"..tostring(func() or "").."\n");
+ end--]]
+until answer=="exit"
+print("Bye\n");