Or if barewords can no longer be used as a file handles, you could pre-declare them using 

use Symbol qw( gensym );

sub FOO { state $fh = gensym(); $fh }

open(FOO, ...)

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In reply to Re^4: On Backwards Compatibility and Bareword Filehandles by ikegami
in thread On Backwards Compatibility and Bareword Filehandles by jcb

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