[Octave-bug-tracker] [bug #43716] system function won't capture screen output for some external commnad

[Xiangrui Li]

URL:
  <http://savannah.gnu.org/bugs/?43716>

                 Summary: system function won't capture screen output for some
external commnad
                 Project: GNU Octave
            Submitted by: xiangrui
            Submitted on: Thu 27 Nov 2014 06:22:56 PM GMT
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Matlab Compatibility
                  Status: None
             Assigned to: None
         Originator Name: Xiangrui Li
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 3.8.1
        Operating System: GNU/Linux

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Details:

Following captures the output as expected:
[status, cmdout]= system('dir'); % same for 'echo dsfa' etc

However, following still gives screen output, and cmdout is empty:
[status, cmdout]= system('gzip -V');

In Matlab, there is no screen output for both above cases, and the  screen
output always goes to cmdout.

The behavior is the same for Windows 7 and Linux.




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