cpan[1]> install Text::Table
Text::Table is up to date (1.107).

##</code><code>##

use warnings;
use strict;
use Text::Table;

my $tb1 = Text::Table->new( qw( A B C ) );
$tb1->load( [ "1", "2", "3" ],
           [ "a\nb", "c", "d" ],
           [ "e", "f\ng", "h" ],
           [ "i", "j", "k\nl" ],
           [ "m", "n", "o" ] );
print $tb1;
print q{-} x 40 . "\n";

my $tb2 = Text::Table->new( qw( A B C ) );
$tb2->add(split(q{,}, $_)) while (<DATA>);
print $tb2;

__DATA__
"1", "2", "3"
"a\nb", "c", "d"
"e", "f\ng", "h"
"i", "j", "k\nl"
"m", "n", "o"

##</code><code>##

$ perl text.table.pl
A B C
1 2 3
a c d
b
e f h
  g
i j k
    l
m n o
----------------------------------------
A      B       C
"1"     "2"     "3"
"a\nb"  "c"     "d"
"e"     "f\ng"  "h"
"i"     "j"     "k\nl"
"m"     "n"     "o"