garbage collecting .phdir

[Richard H. Gumpertz]

Editing one's call directory (using the AT&T 7300 Telephone Manager) seems to
just add to the end of the .phdir file.  How can one garbage-collect this
file to be shorter and contain only information for current entries?

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  | Richard H. Gumpertz   rhg at DTI.CPS.COM   (913) 599-1900 or (913) 642-1777 |
  | Deskstation Technology, Inc., 13256 W. 98th Street, Lenexa, Kansas 66215 |
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