1 ./shopt.tests: line 2: shopt: -z: invalid option
2 shopt: usage: shopt [-pqsu] [-o] [optname ...]
18 shopt -s expand_aliases
23 shopt -s force_fignore
31 shopt -s interactive_comments
36 shopt -u no_empty_cmd_completion
42 shopt -u restricted_shell
43 shopt -u shift_verbose
53 shopt -s expand_aliases
55 shopt -s force_fignore
57 shopt -s interactive_comments
87 shopt -u no_empty_cmd_completion
91 shopt -u restricted_shell
92 shopt -u shift_verbose
120 no_empty_cmd_completion off
138 set -o interactive-comments
166 interactive-comments on
194 set -o interactive-comments
220 set -o interactive-comments
264 ./shopt.tests: line 93: shopt: xyz1: invalid shell option name
265 ./shopt.tests: line 94: shopt: xyz1: invalid option name