in reply to Re: using binmode() to override default encoding specified in "use open"
in thread using binmode() to override default encoding specified in "use open"

binmode(FILE) if 1;    # reset to raw
binmode(FILE, ':encoding(UTF-8)') if 1;    # add our new encoding

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This can be shortened to 
binmode(FILE, ':raw:encoding(UTF-8)') if 1;

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map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]

In Section Seekers of Perl Wisdom