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  1. or download this
    script1.pl
    script2.pl && script3.pl
    
  2. or download this
    script1 || script2;
    
  3. or download this
    P:\test>perl -e"exit 1" && echo succeeded || echo failed
    failed
    ...
    P:\test>perl -e"die" && echo succeeded || echo failed
    Died at -e line 1.
    failed
    
  4. or download this
    (prog1 && prog1) || (prog3 || prog4)