From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Tue, 31 Mar 2020 14:49:11 +0000 (+0100)
Subject: quacks-ingredients: -counts: Skip empty outputs
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=f7fdb2d34bc0d799836e6c7e0f724d98a592a25a;p=reprap-play.git

quacks-ingredients: -counts: Skip empty outputs

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

diff --git a/quacks-ingredients-counts b/quacks-ingredients-counts
index a96ac16..ae55648 100755
--- a/quacks-ingredients-counts
+++ b/quacks-ingredients-counts
@@ -60,6 +60,7 @@ sub wrtoplevel () {
     print "module ${which}_$name(){ ////toplevel\n";
     my $cs = $count{$name};
     my $total = 0; $total += $_ foreach values %$cs;
+    return unless $total;
     my $rowsz = ceil(sqrt($total));
     my $nrows = ceil($total / $rowsz);
     $total_count += $total;