log_failure()
unless grep {
exists($hash{$_})
&& do_something($_)
.. 1
} @options;
####
grep {
exists($hash{$_})
&& do_something($_)
.. 1
} @options or log_failure();
##
##
$ perl -Mstrict -we'my $s=1;for(qw/foo bar baz/){ print if /b/..$s }'
barbaz$
$ perl -Mstrict -we'my $s=1;for(qw/foo bar baz/){ print if $s../b/ }'
$
##
##
$ perl -e'for (qw/foo bar baz blah/){print int scalar(/b/..//)}'
0111$
##
##
{
my $success;
grep {
! $success
&& exists($hash{$_})
&& do_something($_)
.. ($success = 1)
} @options
or log_failure();
}