Hello monks,
I have a sub and I am passing a scalar into it. I want to set the receiving variable to null string if there is no incoming variable. What's the best, smartest way to do it. Thanks for your kind wisdom. 
sub mycheck 
{
  # the following throws a warning
  my $db = $_ or my $db = "";
}

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In reply to passing a scalar to a function by nsupathy0

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