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sub cmp_dollar {
   my ($c, $d) = map { int( $_ * 100 ) } @_;
   $c == $d;
}

perl -e 'print "How sweet does a rose smell? "; chomp ($n = <STDIN>); 
+$rose = "smells sweet to degree $n"; *other_name = *rose; print "$oth
+er_name\n"'