[MacPorts] #50969: Provide a generic extract command in base

[MacPorts]

#50969: Provide a generic extract command in base
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  Reporter:  mojca        |      Owner:  (none)
      Type:  enhancement  |     Status:  assigned
  Priority:  Normal       |  Milestone:  MacPorts 2.7.0
 Component:  base         |    Version:  2.3.4
Resolution:               |   Keywords:
      Port:               |
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Changes (by mojca):

 * milestone:  MacPorts 2.6.0 => MacPorts 2.7.0


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Ticket URL: <https://trac.macports.org/ticket/50969#comment:13>
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