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my $MAX_BYTES = 25; my ($MIN_BPC, $MAX_BPC) = (1, 4); my $MAX_CHARS = $MAX_BYTES / $MIN_BPC;
D:\>perl -CO -Mcharnames=:full -wE "$MAX = 4; $cafe = qq/cafe\N{COMBIN +ING ACUTE ACCENT}/; say $cafe; substr($cafe, $MAX) = ''; say $cafe;" +> cafe.txt D:\>