BIND 10 #2685: bindctl should pause printing output if that output exceeds 24 lines

[BIND 10 Development]

#2685: bindctl should pause printing output if that output exceeds 24 lines
---------------------------------+-----------------------------------------
            Reporter:  jwright   |                        Owner:
                Type:  defect    |                       Status:  new
            Priority:  low       |                    Milestone:  New Tasks
           Component:  bind-ctl  |                   Resolution:
            Keywords:            |                 CVSS Scoring:
           Sensitive:  0         |              Defect Severity:  Low
         Sub-Project:  DNS       |  Feature Depending on Ticket:
Estimated Difficulty:  0         |          Add Hours to Ticket:  0
         Total Hours:  0         |                    Internal?:  0
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Comment (by shane):

 We can use sys.stdout.isatty() to determine if we are going to a console
 and only paginate then.

 As normal, Stack Overflow has a possible aid for this:

 http://stackoverflow.com/questions/520963/pagination-with-the-python-cmd-
 module/1380570#1380570

 We can use it like this:

 {{{
 #!python
 import pydoc

 f = open("/etc/passwd")
 text = f.read()
 pydoc.pager(text)
 }}}

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Ticket URL: <http://bind10.isc.org/ticket/2685#comment:2>
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