1 ./shopt.tests: line 2: shopt: -z: invalid option
2 shopt: usage: shopt [-pqsu] [-o long-option] optname [optname...]
11 shopt -s expand_aliases
16 shopt -s force_fignore
23 shopt -s interactive_comments
27 shopt -u no_empty_cmd_completion
32 shopt -u restricted_shell
33 shopt -u shift_verbose
43 shopt -s expand_aliases
45 shopt -s force_fignore
47 shopt -s interactive_comments
68 shopt -u no_empty_cmd_completion
71 shopt -u restricted_shell
72 shopt -u shift_verbose
91 no_empty_cmd_completion off
108 set -o interactive-comments
136 interactive-comments on
164 set -o interactive-comments
190 set -o interactive-comments
234 ./shopt.tests: line 93: shopt: xyz1: invalid shell option name
235 ./shopt.tests: line 94: shopt: xyz1: invalid option name