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Re: my $x or my ($x)

by strat (Canon)
on Apr 05, 2006 at 08:08 UTC ( #541302=note: print w/ replies, xml ) Need Help??

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  1. or download this
    open (my $FH, "<", $file) or die ...
    # reads the whole file, assigns first line to $headline
    ...
    # since the whole file is already read, there's nothing
    # more to be read, so the while block will never be executed
    while( my $line = <$FH> ) {
    
  2. or download this
    sub xxx {
      # error, must be my ($firstParam) = @_; if you don't want
      # to get the number of parameters but the first param
      my $firstParam = @_; 
    ...
    
  3. or download this
    my $x = reverse('abcdef');
    my ($y) = reverse('abcdef');
    print "x=$x\ny=$y\n";
    

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