[MacPorts] #57813: When command has a dot, it causes a syntax error

[MacPorts]

#57813: When command has a dot, it causes a syntax error
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  Reporter:  Tatsh            |      Owner:  raimue
      Type:  defect           |     Status:  assigned
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:  2.5.4
Resolution:                   |   Keywords:
      Port:  bash-completion  |
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Comment (by raimue):

 Unfortunately I was not able to reproduce the problem on my system. I also
 modified my `PATH` to include this cargo2port.tcl file.

 You could try to find the original line producing this message by enabling
 `set -x` in your shell, but be aware that this will produce a lot of
 debugging output from bash completion when pressing Tab.

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Ticket URL: <https://trac.macports.org/ticket/57813#comment:2>
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