Well, heck. If we're gonna go that route, may as well golfuscate it:

sub my_chomp { substr shift, 0, (length) - 1 if $_[0] =~ /\n$/}; # :-)
[download]

Cheers,
Ovid

Update: Can anyone tell that I am *seriously* bored at work?

sub my_chomp { wantarray ? (map{ /\n$/ ? substr $_, 0, (length)-1 : $_
+ } @_) 
                         : chomp(my $x = shift),$x };
[download]

That ugly hack will work for both arrays and scalars (I think). I noticed that it appears to be returning an empty element at the end of the array, though. :(

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