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Re^2: Pass by ref vs alias : why does scalar size matter?

by clinton (Priest)
on May 01, 2008 at 22:22 UTC ( [id://684044]=note: print w/replies, xml ) Need Help??

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  1. or download this
    
       $_[0]   .= 'abcde';
...
       $_[0]    = substr(   $_[0]   , -500);
vs  ${ $_[0] }  = substr(${ $_[0] } , -500);

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