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knifeblock: reverse knives in filter
author
Ian Jackson
<ijackson@chiark.greenend.org.uk>
Tue, 30 Dec 2014 21:43:21 +0000
(21:43 +0000)
committer
Ian Jackson
<ijackson@chiark.greenend.org.uk>
Tue, 30 Dec 2014 21:43:21 +0000
(21:43 +0000)
knifeblock-knives-filter
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diff --git
a/knifeblock-knives-filter
b/knifeblock-knives-filter
index bb832cffc98bcd0016f20aef486bea2a23c3d120..17cff7401bbd1f0cf8cdafa52a560c4b541a4b27 100755
(executable)
--- a/
knifeblock-knives-filter
+++ b/
knifeblock-knives-filter
@@
-14,7
+14,7
@@
my ($wknife,$wparts) = $want =~ m/^(\d)([a-z]+)$/ or die;
sub want ($) {
my ($colournum) = @_;
- my $knife = ($colournum-1) % $nknives;
+ my $knife =
$nknives-1 -
($colournum-1) % $nknives;
return 0 unless $knife == $wknife;
my $part = $part_order[ floor(($colournum-1) / $nknives) ];
die "huh colour $colournum?" unless defined $part;