sub my_sprintf {
    return defined $_[1] ? sprintf @_ : 'MISSING';
}

my %h = (
    A   => 1.23435
);

my $out = my_sprintf "%.3E", $h{A};
warn $out;
$out = my_sprintf "%.3E", $h{B};
warn $out;

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In reply to Re: Printing non existing hash values as "missing" by Anonymous Monk
in thread Printing non existing hash values as "missing" by Anonymous Monk

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