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  1. or download this
    use strict; # never go by without it! ;)
    
    ...
    
     @input=reverse(@input);
     print(@input);
    
  2. or download this
    while(<STDIN>){chomp;last if m/done/i;push @a, $_;}print@a;
    
  3. or download this
    $"=q;grep;;$,=q"grep";for(`find . -name ".saves*~"`){s;$/;;;/(.*-(\d+)
    +-.*)$/;
    $_=["ps -e -o pid | "," $2 | "," -v "," "];`@$_`?{print"+ $1"}:{print"
    +- $1"}&&`rm $1`;
    print$\;}