# rename/relink $edit_fn
open my $new_fh, '<', $edit_fn or
die "can't read edited file ($edit_fn): $!\n";
- my $new_raw = do { local $/; <$new_fh> };
+ defined(my $new_raw = do { local $/; <$new_fh> }) or die
+ "read $edit_fn: $!\n";
if (!$opt->{raw}) {
# get rid of the From we added