hello monks,, 
local $SIG{'__DIE__'} =
              sub { (my $x = $_[0]) =~ s/foo/bar/g; die $x };
       eval { die "foo lives here" };

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..... can you please explain the code. is $SIG should us with "_DIE_"? when ever die is used, it automatically invokes _DIE_,is it true? i read perl is using top down approach, i debugged the above program , the execution goes up to eval and jumps to $SIG line.how it is possible?explain me please.

In reply to help in $SIG by uva

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