# However, • was chosen to make copy+paste errors more obvious
sub obfuscate_addrs ($$;$) {
my $ibx = $_[0];
- my $repl = $_[2] || '•';
+ my $repl = $_[2] // '•';
my $re = $ibx->{-no_obfuscate_re}; # regex of domains
- my $addrs = $ibx->{-no_obfuscate}; # { adddress => 1 }
+ my $addrs = $ibx->{-no_obfuscate}; # { $address => 1 }
$_[1] =~ s/(([\w\.\+=\-]+)\@([\w\-]+\.[\w\.\-]+))/
my ($addr, $user, $domain) = ($1, $2, $3);
if ($addrs->{$addr} || ((defined $re && $domain =~ $re))) {
# like format_sanitized_subject in git.git pretty.c with '%f' format string
sub to_filename ($) {
- 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