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--- useful_programs [2020/03/20 10:06] – [3-point control for a valve or servo] emozolyak
+++ useful_programs [2020/06/03 12:00] – [Other handy functions] emozolyak
@@ Line 228: / Line 228: @@
   end
+</code>
+For complex tables print, you can use the following function:
+<code lua>
+function tprint(t, indent)
+    if not indent then indent = 0 end
+    for k, v in pairs(t) do
+        local formatting = string.rep(' ', indent) .. k .. ': '
+        if type(v) == "table" then
+            ERROR(formatting)
+            tprint(v, indent + 1) -- recursive call
+        else
+            if type(v) == "boolean" then
+                v = v and "TRUE" or "FALSE"
+            end
+            ERROR(formatting .. v)
+        end
+    end -- for
+end -- tprint
 </code>
@@ Line 750: / Line 769: @@
             return false -- nothing happened
 end -- P_TRIG
+function MulGetReg(...) -- multiple ids or aliases read, returns table, have to be unpack() 'ed
+     local results = {}
+     for i = 1, #arg do
+         local param = arg[i]
+        --  INFO("processing " .. param .. " paramter")
+          results[i] = GetReg(param)
+     end
+     if (#results == 1) then
+         return results[1]
+     else
+         return results
+     end
+end
 </code>