Just use

open(FILE, '>:encoding(UTF-8)', 'fpo');
[download]

---

Notes:

• Don't needlessly use global vars. Use open(my $FILE, ...) instead of open(FILE, ...).
• Please avoid the two-arg form of open.
• open is very prone to failing. Should add some error checking.
• "utf8" is an extension to UTF-8 used by Perl internally. You want "UTF-8", not "utf8". (Case doesn't matter.)

my $qfn = 'fpo';
open(my $FILE, '>:encoding(UTF-8)', $qfn)
   or die("Can't create \"$qfn\": $!\n");
[download]

---

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