From 3888727b96f0fc9c2eae0016be3de66ff3246627 Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Wed, 8 Aug 2012 16:25:13 +0200
Subject: [PATCH] Bugfix: legacy config files with empty temperature and/or
 first_layer_temperature caused crash

---
 lib/Slic3r/Config.pm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/Slic3r/Config.pm b/lib/Slic3r/Config.pm
index 95984b19..514a4582 100644
--- a/lib/Slic3r/Config.pm
+++ b/lib/Slic3r/Config.pm
@@ -157,7 +157,7 @@ our $Options = {
         type    => 'i',
         max     => 300,
         serialize   => sub { join ',', @{$_[0]} },
-        deserialize => sub { [ split /,/, $_[0] ] },
+        deserialize => sub { $_[0] ? [ split /,/, $_[0] ] : [0] },
         default => [200],
     },
     'first_layer_temperature' => {
@@ -167,7 +167,7 @@ our $Options = {
         cli     => 'first-layer-temperature=i@',
         type    => 'i',
         serialize   => sub { join ',', @{$_[0]} },
-        deserialize => sub { [ split /,/, $_[0] ] },
+        deserialize => sub { $_[0] ? [ split /,/, $_[0] ] : [0] },
         max     => 300,
         default => [200],
     },