split tochars to separate file

worldeditadditions/utils/strings/init.lua

@@ -1,2 +1,3 @@
 dofile(worldeditadditions.modpath.."/utils/strings/split.lua")
 dofile(worldeditadditions.modpath.."/utils/strings/polyfill.lua")
+dofile(worldeditadditions.modpath.."/utils/strings/tochars.lua")

worldeditadditions/utils/strings/split.lua

@@ -55,23 +55,3 @@ function worldeditadditions.split(text, pattern, plain)
 	end
 	return ret
 end
-
--- Split into table of characters.
--- @param	text	string	The string to iterate over
--- @param	s	bool	Sort characters
--- @param	d	bool	Remove duplicate characters
--- @returns	table	A sequence table containing the substrings
-function worldeditadditions.tochars(text,s,d)
---function tochars(text,s,d)
-	t, set = {}, {}
-	if d then
-		text:gsub(".",function(c) set[c] = true end)
-		for k,v in pairs(set) do table.insert(t,k) end
-	else
-		text:gsub(".",function(c) table.insert(t,c) end)
-	end
-	
-	if s then table.sort(t) end
-	
-	return t
-end

worldeditadditions/utils/strings/tochars.lua

@@ -0,0 +1,19 @@
+--- Split into table of characters.
+-- @param	text	string	The string to iterate over
+-- @param	sort	bool	Sort characters
+-- @param	rem_dups	bool	Remove duplicate characters
+-- @returns	table	A sequence table containing the substrings
+function worldeditadditions.tochars(text,sort,rem_dups)
+--function tochars(text,s,d)
+	t, set = {}, {}
+	if rem_dups then
+		text:gsub(".",function(c) set[c] = true end)
+		for k,v in pairs(set) do table.insert(t,k) end
+	else
+		text:gsub(".",function(c) table.insert(t,c) end)
+	end
+	
+	if sort then table.sort(t) end
+	
+	return t
+end