# trying to create a $dynamic_var

use strict;
my $var_name    = 'dynamic_var';

my $$var_name   = 'foo';         # doesn't compile
my ${$var_name} = 'foo';         # nor does this

eval "my \$$var_name = 'foo';";  # this runs fine, now $dynamic_var
                                 # exists in some scope

print $dynamic_var, "\n";        # but this doesn't work in strict