X-Git-Url: http://git.shiar.nl/barcat.git/blobdiff_plain/a052b8d20f25e69c82104135c9925c17dcaa3eb3..754ddc0faff70513c78277dd2d81c44849b31619:/graph

diff --git a/graph b/graph
index e76ec64..307c9e4 100755
--- a/graph
+++ b/graph
@@ -1,9 +1,10 @@
 #!/usr/bin/env perl
-use 5.014;
+use 5.018;
 use warnings;
 use utf8;
 use List::Util qw( min max sum );
 use open qw( :std :utf8 );
+use experimental qw( lexical_subs );
 
 our $VERSION = '1.02';
 
@@ -53,13 +54,13 @@ while (readline) {
 	}
 	push @lines, $_;
 }
-@lines or exit;
 
 $SIG{INT} = 'DEFAULT';
 
 sub show_lines {
 
 state $nr = 0;
+@lines and @lines > $nr or return;
 
 my @order  = sort { $b <=> $a } grep { length } @values;
 my $maxval = $order[0];