>Number:         9266
>Category:       bin
>Synopsis:       "!" first in a pipeline does not negate $? in /bin/sh
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    bin-bug-people (Utility Bug People)
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Jan 21 08:50:59 2000
>Last-Modified:
>Originator:     Urban Boquist
>Organization:
Carlstedt Research & Technology AB, Sweden
>Release:        NetBSD-current 2000-01-17
>Environment:
System: NetBSD iller 1.4P NetBSD 1.4P (ILLER) #0: Fri Jan 21 00:43:42 CET 2000 root@iller:/usr/src/sys/arch/i386/compile/ILLER i386


>Description:
In NetBSD's /bin/sh a "!" first in a pipeline should negate the exit
status of the pipeline, but this is broken in NetBSD-current.

>How-To-Repeat:
Transcript:

# echo | false
# echo $?
1
# ! echo | false
# echo $?
1

>Fix:
Unknown.
>Audit-Trail:
>Unformatted: