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  1. or download this
    my $test="my_variable_name";  # I pulled this from the db.  I have no 
    +idea what it actually is, plus I need to be able to support arbitrary
    + additions to the db anyway
    my $default_value="the value I set";
    $$test = $default_value;
    
  2. or download this
    use strict;
    package apackage;
    do "include_file.pl";
    print "the value of \$my_variable_name = $my_variable_name\n"; # I can
    +'t control the fact that this variable is being referred to without i
    +ts package name
    
  3. or download this
    use strict;
    use module;
    $my_variable_name = "A new value";
    print "the value of \$my_variable_name = $my_variable_name\n"; #print 
    +the local value
    print "the value of the package variable = $apackage::my_variable_name
    +\n"; # print the package value