The critical point regarding precedence has already been made. As for an example: 

>perl -wMstrict -le
"print 0 || 1;
 print 0 or 1;
 print(0 or 1);
"
1
0
1

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In reply to Re: difference between or and || operators by AnomalousMonk
in thread difference between or and || operators by sharanmath

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