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Re^2: disadvantages of perl

by JavaFan (Canon)
on Jul 02, 2009 at 15:22 UTC ( #776773=note: print w/ replies, xml ) Need Help??

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  1. or download this
    if ( defined $r && ref $r && ref $r eq 'HASH' && keys %$r ) { ... }
    
  2. or download this
    if (ref($r || "") eq 'HASH' && keys %$r) { ... }
    
  3. or download this
    if (ref $r eq 'HASH' && keys %$r) { ... }
    

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