Add a variant of printall() that uses ipairs

library/lua/dfhack.lua

@@ -167,6 +167,15 @@ function printall(table)
     end
 end
 
+function printall_ipairs(table)
+    local ok,f,t,k = pcall(ipairs,table)
+    if ok then
+        for k,v in f,t,k do
+            print(string.format("%-23s\t = %s",tostring(k),tostring(v)))
+        end
+    end
+end
+
 function copyall(table)
     local rv = {}
     for k,v in pairs(table) do rv[k] = v end
@@ -305,6 +314,10 @@ function dfhack.interpreter(prompt,hfile,env)
             print(table.unpack(data,2,data.n))
             printall(data[2])
         end,
+        ['@'] = function(data)
+            print(table.unpack(data,2,data.n))
+            printall_ipairs(data[2])
+        end,
         ['='] = function(data)
             for i=2,data.n do
                 local varname = '_'..vcnt

scripts/lua.lua

@@ -23,7 +23,7 @@ elseif cmd=="--save" or cmd=="-s" then
 elseif cmd~=nil then
     -- Support some of the prefixes allowed by dfhack.interpreter
     local prefix
-    if string.match(cmd, "^[~!]") then
+    if string.match(cmd, "^[~@!]") then
         prefix = string.sub(cmd, 1, 1)
         cmd = 'return '..string.sub(cmd, 2)
     end
@@ -39,6 +39,8 @@ elseif cmd~=nil then
         print(table.unpack(rv,2,rv.n))
         if prefix == '~' then
             printall(rv[2])
+        elseif prefix == '@' then
+            printall_ipairs(rv[2])
         end
     end
 else