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  1. or download this
    #!/usr/bin/perl

...
printf "First: %X; third: %X\n",
  ord("\N{first character}"),
  ord("\N{third character}");
  2. or download this
    Unknown charname 'first character' at ./mytest line 10, within string
Execution of ./mytest aborted due to compilation errors.
  3. or download this
    #!/usr/bin/perl

...
};

use charnames ":alias" => $characters;