say outputs a trailing newline unless the arguments already contain a trailing newline.

Are you sure about that? The documentation makes no mention of such a condition and this example suggests that it is not the case:

$ cat say.pl 
#!/usr/bin/env perl 
use strict;
use warnings;
use feature 'say';

my $x = "foo\n";
my $y = 'bar';

say $x;
say $y;
$ ./say.pl 
foo

bar
$

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🦛

In reply to Re^6: Data::Dumper output by hippo
in thread Data::Dumper output by Bod

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