img

1 files changed, 10 insertions, 8 deletions

diff --git a/img/driver.lua b/img/driver.lua
index eeb8f21..618c9bd 100644
--- a/img/driver.lua
+++ b/img/driver.lua
@@ -1,16 +1,18 @@
 package.path = "/?;/?.lua;"..package.path
 
 _G.ERRLOG = {}
-_G.oldprint = print
-_G.print = function(...)
-	o = {}
-	for ix = 1,select('#',...) do
-		o[ix] = tostring(select(ix,...))
+if not _G.oldprint then
+	_G.oldprint = print
+	_G.print = function(...)
+		o = {}
+		for ix = 1,select('#',...) do
+			o[ix] = tostring(select(ix,...))
+		end
+		table.insert(_G.ERRLOG,table.concat(o,"\t"))
+		_G.oldprint(...)
 	end
-	table.insert(_G.ERRLOG,table.concat(o,"\t"))
-	_G.oldprint(...)
+	_G.rpr = function() _G.print = _G.oldprint _G.oldprint = nil end
 end
-_G.rpr = function() _G.print = _G.oldprint end
 
 print("uu")
 local load_pnm = require("load_pnm").load