1 ./shopt.tests: line 2: shopt: -z: invalid option
2 shopt: usage: shopt [-pqsu] [-o] [optname ...]
19 shopt -s expand_aliases
24 shopt -s force_fignore
32 shopt -s interactive_comments
37 shopt -u no_empty_cmd_completion
43 shopt -u restricted_shell
44 shopt -u shift_verbose
54 shopt -s expand_aliases
56 shopt -s force_fignore
58 shopt -s interactive_comments
89 shopt -u no_empty_cmd_completion
93 shopt -u restricted_shell
94 shopt -u shift_verbose
123 no_empty_cmd_completion off
141 set -o interactive-comments
169 interactive-comments on
197 set -o interactive-comments
223 set -o interactive-comments
267 ./shopt.tests: line 93: shopt: xyz1: invalid shell option name
268 ./shopt.tests: line 94: shopt: xyz1: invalid option name