./shopt.tests: line 2: shopt: -z: invalid option
-shopt: usage: shopt [-pqsu] [-o long-option] optname [optname...]
+shopt: usage: shopt [-pqsu] [-o] [optname ...]
--
+shopt -u autocd
shopt -u cdable_vars
shopt -s cdspell
shopt -u checkhash
+shopt -u checkjobs
shopt -u checkwinsize
shopt -s cmdhist
shopt -u compat31
+shopt -u compat32
+shopt -u dirspell
shopt -u dotglob
shopt -u execfail
shopt -s expand_aliases
shopt -s extquote
shopt -u failglob
shopt -s force_fignore
+shopt -u globstar
shopt -u gnu_errfmt
shopt -u histappend
shopt -u histreedit
shopt -s promptvars
shopt -s sourcepath
--
+shopt -u autocd
shopt -u cdable_vars
shopt -u checkhash
+shopt -u checkjobs
shopt -u checkwinsize
shopt -u compat31
+shopt -u compat32
+shopt -u dirspell
shopt -u dotglob
shopt -u execfail
shopt -u extdebug
shopt -u extglob
shopt -u failglob
+shopt -u globstar
shopt -u gnu_errfmt
shopt -u histappend
shopt -u histreedit
shopt -u shift_verbose
shopt -u xpg_echo
--
+autocd off
cdable_vars off
checkhash off
+checkjobs off
checkwinsize off
compat31 off
+compat32 off
+dirspell off
dotglob off
execfail off
extdebug off
extglob off
failglob off
+globstar off
gnu_errfmt off
histappend off
histreedit off