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# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# let's try an error message first
shopt -z
# first, set up a known environment
shopt -u cdable_vars
shopt -s cdspell
shopt -u checkhash
shopt -u checkwinsize
shopt -s cmdhist
shopt -u dotglob
shopt -u execfail
shopt -s expand_aliases
shopt -u extglob
shopt -u histreedit
shopt -u histappend
shopt -u histverify
shopt -s hostcomplete
shopt -u huponexit
shopt -s interactive_comments
shopt -u lithist
shopt -u mailwarn
shopt -u nocaseglob
shopt -u nullglob
shopt -s promptvars
shopt -u shift_verbose
shopt -s sourcepath
shopt -u xpg_echo
# Now, start checking the output
builtin printf -- "--\n"
shopt -p # list 'em all
builtin printf -- "--\n"
# test specific variables
shopt -p huponexit
shopt -p checkwinsize
shopt -p sourcepath
builtin printf -- "--\n"
shopt -s -p
builtin printf -- "--\n"
shopt -u -p
builtin printf -- "--\n"
shopt -u
# Now set up another known environment
set +o allexport
set -o braceexpand
set +o errexit
set -o hashall
set -o histexpand
set +o keyword
set -o monitor
set +o noclobber
set +o noexec
set +o noglob
set +o notify
set +o nounset
set +o onecmd
set +o physical
set -o privileged
set +o verbose
set +o xtrace
set -o history
set +o ignoreeof
set -o interactive-comments
set +o posix
set -o emacs
set +o vi
# list 'em all
builtin printf -- "--\n"
shopt -o -p
builtin printf -- "--\n"
set -o
builtin printf -- "--\n"
set +o
# test specific variables
builtin printf -- "--\n"
shopt -p -o history
shopt -p -o verbose
builtin printf -- "--\n"
shopt -s -p -o
builtin printf -- "--\n"
shopt -u -p -o
builtin printf -- "--\n"
shopt -u -o
# errors
builtin printf -- "--\n"
shopt -p xyz1
shopt -o -p xyz1
${THIS_SH} ./shopt1.sub
# test whether or not temporary variable assignments that manipulate posix
# mode restore the previous state or the default non-posix state
${THIS_SH} -c 'shopt -s expand_aliases ; shopt expand_aliases ; POSIXLY_CORRECT=y true ; shopt expand_aliases'
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