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  1. or download this
    cat lill01.txt  
    
    ...
    perl    94
    dromedary       70
    camel   50
    
  2. or download this
    perl -MO=Deparse -lane "$r{$F[0]}+=$F[1]}{print qq($_\t$r{$_})for sort
    +{$r{$b}<=>$r{$a}||$a cmp $b}keys %r"
    
    ...
        print "$_\t$r{$_}" foreach (sort {$a cmp $b unless $r{$b} <=> $r{$
    +a};} keys %r);
    }
    -e syntax OK