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IIRC upstream tcsh's git-log, from tcsh 6.17.06, the $anyerror variable works
that way:
$ echo $?anyerror
1
$ false | true ; echo $?
1
$ set anyerror ; false | true ; echo $?
1
$ unset anyerror ; false | true ; echo $?
0
From tcsh617.el5 we introduced (yet?) upstream-incompatible
'$tcsh_posix_status' variable, which has opposite meaning. For compatibility
with older RHEL and upstram, we need to support both 'anyerror' and
'tcsh_posix_status'. Currently, 'anyerror' variable is not working in RHEL7;
where is tcsh-6.18.00.
This bug exists to re-introduce $anyerror variable.
References: bug 1025703, bug 759132
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://rhn.redhat.com/errata/RHBA-2015-2431.html
IIRC upstream tcsh's git-log, from tcsh 6.17.06, the $anyerror variable works that way: $ echo $?anyerror 1 $ false | true ; echo $? 1 $ set anyerror ; false | true ; echo $? 1 $ unset anyerror ; false | true ; echo $? 0 From tcsh617.el5 we introduced (yet?) upstream-incompatible '$tcsh_posix_status' variable, which has opposite meaning. For compatibility with older RHEL and upstram, we need to support both 'anyerror' and 'tcsh_posix_status'. Currently, 'anyerror' variable is not working in RHEL7; where is tcsh-6.18.00. This bug exists to re-introduce $anyerror variable. References: bug 1025703, bug 759132