custom diagnostics in example test failure

[barcat.git] / barcat

diff --git a/barcat b/barcat
index 0fd06e240ad1a79e9adb2d31e2f405b62323b498..63eb3a5fd2820f45ac14488962d66b408e44dc6f 100755 (executable)
--- a/barcat
+++ b/barcat
@@ -222,13 +222,22 @@ if ($opt{markers} and $size > 0) {
                                return sum(@order) / @order;
                        }
                        elsif ($func =~ /\A([0-9.]+)v\z/) {
+                               die "Invalid marker $char: percentile $1 out of bounds\n" if $1 > 100;
                                my $index = $#order * $1 / 100;
                                return ($order[$index] + $order[$index + .5]) / 2;
                        }
-                       else {
+                       elsif ($func =~ /\A-?[0-9.]+\z/) {
                                return $func;
                        }
-               } - $minval;
+                       else {
+                               die "Unknown marker $char: $func\n";
+                       }
+               };
+               defined $pos or do {
+                       warn $@ if $@;
+                       next;
+               };
+               $pos -= $minval;
                $pos >= 0 or next;
                color(36) for $barmark[$pos * $size] = $char;
        }