My 2 cents on your 2 cents: validating user input is very simple. Never try to "enumerate badness"; just define what is valid and reject everything else. 

my $in;
{
print "Input 'foo': "; chomp($in=<STDIN>); redo unless /^foo$/;
}

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-- 
I hate storms, but calms undermine my spirits.
 -- Bernard Moitessier, "The Long Way"

In reply to Re^2: Not able to capture information by oko1
in thread Not able to capture information by Anonymous Monk

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