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    Process p = Runtime.getRuntime().exec("c:/perl.exe"  C:/CreateER.pl "P
    +lease : ignore : my friend");
    
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    s/:/\n/g;
    
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    Scalar value @ARGV[1] better written as $ARGV[1] at ...
        (W syntax) You've used an array slice (indicated by @) to select a
    ...
        element as a list, you need to look into how references work, beca
    +use
        Perl will not magically convert between scalars and lists for you.
    +  See
        perlref.