From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 25 Nov 2018 14:40:49 +0000 (+0000)
Subject: distort-stl: debugging, avoid a warning
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=commitdiff_plain;h=c889fb8f9176046ccb14bd342ad10f3cf9f5b300

distort-stl: debugging, avoid a warning

Use of uninitialized value $debug in numeric ge (>=) at ./distort-stl line 107.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---

diff --git a/distort-stl b/distort-stl
index b5ccb99..68290c4 100755
--- a/distort-stl
+++ b/distort-stl
@@ -32,7 +32,7 @@ use Data::Dumper;
 
 sub TAU () { M_PI * 2; }
 
-our $debug = $ENV{DISTORT_DEBUG};
+our $debug = $ENV{DISTORT_DEBUG} // 0 ;
 
 my $ps = $ENV{DISTORT_PS};
 if ($ps) {