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How's your Perl?

by xmath (Hermit)
on Oct 27, 2003 at 00:16 UTC ( #302287=perlmeditation: print w/replies, xml ) Need Help??

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  1. or download this
    For all exercises: no fork/exec/system/qx/open, no cmdline options,
      no user input, no modules, no tie, no bless, no %SIG.  Make sure you
    ...
    
    For extra points, try to make them work under strict
      (warning: for one exercise no strict solution is known (yet))
    
  2. or download this
    Exercise 1:  Create an array @x such that changing $x[0] also sets
        $x[1] to the same value
    ...
    Bonus Exercise:  The code snippet 'sub foo{} goto +foo' produces an
        error: "Can't find label SCALAR(0x31c70c)"  (the address may vary)
        Where does that ref come from?  What does it point to?
    

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