See perlman:perldata. Here an example: 
my $log = "Hello World!";
my $stdout_handler = \*STDOUT;
my $r_handler = \*R; # R has been open()-ed as usual

map { print $_ $log } ($stdout_handler, $r_handler);

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In reply to Re: mapping through filehandles by larsen
in thread mapping through filehandles by princepawn

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