View difference between Paste ID: 3E832x86 and wNf8kU5P

 -- Buffer API, By Symmetryc
 -- Edited by AgentE382 to change ":" OO-syntax to "." OO-syntax. (First step to redirect target based on this.)
 -- Edited by AgentE382 to add preliminary redirect-target capability.
 -- Edited by AgentE382 to add full redirect-target functionality.
 return {
 	new = function()
 		local self = {
 			act = {pos = {}};
 			pos = {};
 			back = colors.white;
 			text = colors.lightGray;
 			blink = true
 		}
 
 		function self.write(_str)
 			local act = self.act
 			local selfpos = self.pos
 			local append = true
 			if selfpos[1] ~= act.pos[1] or selfpos[2] ~= act.pos[2] then
 				act[#act + 1] = {term.setCursorPos, selfpos[1], selfpos[2]}
 				append = false
 			end
 			if self.back ~= act.back then
 				act[#act + 1] = {term.setBackgroundColor, self.back}
 				act.back = self.back
 				append = false
 			end
 			if self.text ~= act.text then
 				act[#act + 1] = {term.setTextColor, self.text}
 				act.text = self.text
 				append = false
 			end
 			if self.blink ~= act.blink then
 				act[#act + 1] = {term.setCursorBlink, self.blink}
 				act.blink = self.blink
 				append = false
 			end
 			for line, nl in _str:gmatch("([^\n]*)(\n?)") do
 				if append then
 					act[#act][2] = act[#act][2]..line
 					append = false
 				else
 					act[#act + 1] = {term.write, line}
 				end
 				selfpos[1] = selfpos[1] + #line
 				if nl == "\n" then
 					selfpos[1] = 1
 					selfpos[2] = selfpos[2] + 1
 					act[#act + 1] = {term.setCursorPos, 1, selfpos[2]}
 				end
 			end
 			act.pos = {selfpos[1], selfpos[2]}
 			return self
 		end;
 		function self.draw(self)
 			for i, v in ipairs(self.act) do
 				if v[3] then
 					v[1](v[2], v[3])
 				else
 					v[1](v[2])
-			for i = #act, 1 do
+
-				act[i] = nil
+
 			self.act = {}
 			return self
 		end;
 
 		function self.clear()
 			local a = self.act
 			for i = #a, 1 do
 				a[i] = nil
 			end
 			return self
 		end
 
 		function self.clearLine()
 			local a = self.act
 			if a[#a][1] ~= term.clearLine then
 				a[#a + 1] = {term.clearLine}
 			end
 			return self
 		end
 
-
+
 			local p = self.pos
 			return p[1], p[2]
 		end
 
 		function self.setCursorPos(x, y)
 			local p = self.pos
-		self.redirect = term.redirect
+
 			return self
-		self.restore = term.restore
+
 
 		function self.setCursorBlink(state)
-
+			self.blink = state
 			return self
 		end
 
 		self.isColor = term.isColor
 
 		self.getSize = term.getSize
 
 		function self.redirect(target)
 			term.redirect(target)
 			return self
 		end
 
 		function self.restore()
 			term.restore()
 			return self
 		end
 
 		function self.scroll(n)
 			local a = self.act
 			if a[#a][1] ~= term.scroll then
 				a[#a + 1] = {term.scroll, n}
 			else
 				local s = a[#a]
 				s[2] = s[2] + n
 			end
 			return self
 		end
 
 		function self.setTextColor(color)
 			self.text = color
 			return self
 		end
 
 		function self.setBackgroundColor(color)
 			self.back = color
 			return self
 		end
 
 		return self
 	end;
 }