I think it will help if you add use strict; -- in particular, when you do that, and add "my" where necessary, you will find that you misspelled the name of your hash in the while() loop condition: 
while (my ($home, $topics)=each(%topics)){  # should be %ttopics

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Also, you have this funny thing in the "tHelp" sub: 
sub tHelp
{\%ttopics
my $startpoint=$target;

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What is "\%ttopics" doing there? Even if that isn't a syntax error, I can't imagine what it's supposed to do, and I expect it is a mistake. Actually, the tHelp sub as a whole makes no sense. What is that sub supposed to do? Where is it called from? Should you perhaps be providing some parameters when you call it? --e.g.: 
# some where in the part that calls tHelp:

   tHelp( $param1, \@array );  # or whatever...

# in tHelp itself:

sub tHelp
{
    my ( $param, $aref ) = @_;
    ...
}

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In reply to Re: printing out hash by graff
in thread printing out hash by grashoper

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