[mercury-users] How to capture the io stream for call_system/4?

[Peter Wang]

On 2007-03-25, doug.auclair at logicaltypes.com <doug.auclair at logicaltypes.com> wrote:
> Dear all,
> 
> Is there a way to redirect the (output, specifically) io of
> io.call_system/4 so that Mercury can process it as a string?

Use a combination of pipe, fork, dup*, exec*, wait*.  Those are
available in the posix binding in extras.  An easier way would be to
make a binding to the popen() function.

Peter
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