/no_proc/ ? print "$_\n"
             : print "$_ : in proc\n" ;

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You are using the Conditional Operator in void context.   That is usually written as: 

   print /no_proc/ ? "$_\n" : "$_ : in proc\n";

[download]

In reply to Re^2: if modifier of a print statement by jwkrahn
in thread if modifier of a print statement by si_lence

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