#1837: create-directory doesn't raise an error when the requested directory already exists

[Chicken Trac]

#1837: create-directory doesn't raise an error when the requested directory
already exists
-------------------------------------+-------------------------------------
            Reporter:  Mario         |       Type:  defect
  Domenech Goulart                   |
              Status:  new           |   Priority:  major
           Milestone:  6.0.0         |  Component:  core libraries
             Version:  5.3.0         |   Keywords:  create-directory
Estimated difficulty:  easy          |
-------------------------------------+-------------------------------------
 Changing that behavior in C5 would cause too much trouble, but we can
 change that in C6.

 {{{
 $ touch foo
 $ csi -e '(begin (import (chicken file)) (create-directory "foo"))'
 $ echo $?
 0
 }}}

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Ticket URL: <https://bugs.call-cc.org/ticket/1837>
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