[bug #68006] 'system' command unable to redirect stderr or stdout to "nul"

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Update of bug #68006 (group octave):

                  Status:               Confirmed => Patch Submitted

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Follow-up Comment #5:

Fix in comment #3 seems to work here:

# Redirect stderr
octave:1> jv = system ("java -version 2> nul"); jv
jv = 0

octave:2> jv = system ("java --version 2> nul"); jv
java 24 2025-03-18
Java(TM) SE Runtime Environment (build 24+36-3646)
Java HotSpot(TM) 64-Bit Server VM (build 24+36-3646, mixed mode, sharing)
jv = 0

# Redirect stdout
octave:3> jv = system ("java --version > nul"); jv
jv = 0

octave:4> jv = system ("java -version > nul"); jv
java version "24" 2025-03-18
Java(TM) SE Runtime Environment (build 24+36-3646)
Java HotSpot(TM) 64-Bit Server VM (build 24+36-3646, mixed mode, sharing)
jv = 0

BTW, that's with dev Octave-12 on Windows 10. 
(I do have a basic Windows 11 installed (multiboot w Win 10 and Linux Fedora
42) but very rarely use it as the Windows-es screw up each other's biometric
login settings.  But if you insist I can try on Win 11 as well.)

Status -> "Patch Submitted"


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