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Re: [PBML] Can zero and undef be distinguished?

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  • Jenda Krynicky
    To: perl-beginner@yahoogroups.com From: aditi gupta Date sent: Mon, 9 Jul 2007 21:34:17 +0100 (BST)
    Message 1 of 5 , Jul 9 2:40 PM
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      To: perl-beginner@yahoogroups.com
      From: aditi gupta <aditi9783@...>
      Date sent: Mon, 9 Jul 2007 21:34:17 +0100 (BST)
      Subject: [PBML] Can zero and undef be distinguished?
      Send reply to: perl-beginner@yahoogroups.com

      >
      > Hello All:
      >
      > I have an array, @array = (0, undef, 2, undef);
      > And I want different operations on numerical and undef array elements.

      perldoc -f defined

      Jenda
      ===== Jenda@... === http://Jenda.Krynicky.cz =====
      When it comes to wine, women and song, wizards are allowed
      to get drunk and croon as much as they like.
      -- Terry Pratchett in Sourcery
    • aditi gupta
      Thank You Chris and Jenda!! :) Jenda Krynicky wrote: To: perl-beginner@yahoogroups.com From:
      Message 2 of 5 , Jul 9 3:07 PM
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        Thank You Chris and Jenda!! :)

        Jenda Krynicky <Jenda@...> wrote: To: perl-beginner@yahoogroups.com
        From: aditi gupta <aditi9783@...>
        Date sent: Mon, 9 Jul 2007 21:34:17 +0100 (BST)
        Subject: [PBML] Can zero and undef be distinguished?
        Send reply to: perl-beginner@yahoogroups.com

        >
        > Hello All:
        >
        > I have an array, @array = (0, undef, 2, undef);
        > And I want different operations on numerical and undef array elements.

        perldoc -f defined

        Jenda
        ===== Jenda@... === http://Jenda.Krynicky.cz =====
        When it comes to wine, women and song, wizards are allowed
        to get drunk and croon as much as they like.
        -- Terry Pratchett in Sourcery






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