[GHC] #8838: Allow running bash shell commands

[GHC]

#8838: Allow running bash shell commands
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        Reporter:  jstolarek                    |            Owner:
            Type:  feature request              |           Status:  new
        Priority:  normal                       |        Milestone:  7.10.1
       Component:  libraries/process            |          Version:
      Resolution:                               |  7.8.1-rc2
Operating System:  Linux                        |         Keywords:
 Type of failure:  Incorrect result at runtime  |     Architecture:
       Test Case:                               |  Unknown/Multiple
        Blocking:                               |       Difficulty:
                                                |  Unknown
                                                |       Blocked By:
                                                |  Related Tickets:  #8802
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Comment (by jstolarek):

 > I don’t think System.Process needs any special support for bash features
 Well, there is a built in support for running `sh`...

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8838#comment:2>
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