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19.4.5 pathnamep [Function]

pathnamep object => generalized-boolean

Arguments and Values::

object—an object.

generalized-boolean—a generalized boolean.

Description::

Returns true if object is of type pathname; otherwise, returns false.

Examples::
      (setq q "test")  =>  "test"
      (pathnamep q) =>  false
      (setq q (pathname "test"))
     =>  #S(PATHNAME :HOST NIL :DEVICE NIL :DIRECTORY NIL :NAME "test" :TYPE NIL
            :VERSION NIL)
      (pathnamep q) =>  true
      (setq q (logical-pathname "SYS:SITE;FOO.SYSTEM"))
     =>  #P"SYS:SITE;FOO.SYSTEM"
      (pathnamep q) =>  true
Notes::
      (pathnamep object) == (typep object 'pathname)