diff options
Diffstat (limited to 'lib/PublicInbox/Hval.pm')
| -rw-r--r-- | lib/PublicInbox/Hval.pm | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/PublicInbox/Hval.pm b/lib/PublicInbox/Hval.pm index 46a83916..e21a64a6 100644 --- a/lib/PublicInbox/Hval.pm +++ b/lib/PublicInbox/Hval.pm @@ -94,12 +94,12 @@ sub obfuscate_addrs ($$;$) { # like format_sanitized_subject in git.git pretty.c with '%f' format string sub to_filename ($) { - my ($s, undef) = split(/\n/, $_[0]); + my $s = (split(/\n/, $_[0]))[0] // return; # empty string => undef $s =~ s/[^A-Za-z0-9_\.]+/-/g; $s =~ tr/././s; $s =~ s/[\.\-]+\z//; $s =~ s/\A[\.\-]+//; - $s + $s eq '' ? undef : $s; } # convert a filename (or any string) to HTML attribute |