in reply to Integer IP address to Quad IPv4 address one liner or close to it?

Like this? 

print join '.', unpack 'C4', pack 'N', 2130706433;;
127.0.0.1

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In the absence of evidence, opinion is indistinguishable from prejudice.
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Re^2: Integer IP address to Quad IPv4 address one liner or close to it?
by Plankton (Vicar) on Aug 06, 2009 at 18:04 UTC
    Ah Thanks! Would there be a equally straight forward solution for the reverse operation? You ... 
    ./somescript.pl 127.0.0.1
2130705433

    [download]
    ... ?
[reply]
[d/l]

      You should probably use the functions in Socket who's names I can never remember, but this works for the dotted decimal form: 

      print unpack 'N', pack 'C4', split '\.', '127.0.0.1';;
2130706433

      [download]

      It doesn't work for those obscure forms that only hackers and scammers use: dotted-hex & dotted-octal.

      Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
      "Science is about questioning the status quo. Questioning authority".
      In the absence of evidence, opinion is indistinguishable from prejudice.
[reply]
[d/l]

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