package MyFinger;
use Filter::Simple;
FILTER_ONLY
  code  => sub {
    s/(\$[a-zA-Z][a-zA-Z0-9]*\s*)☞/\1->/msxg;
    s/([a-zA-Z][a-zA-Z0-9]*\s*)☛/\1=>/msxg;
  };
1;