\x89\x50\x4E\x47\x0D\x0A\x1A\x0A PNG  \x89\x50\x4E\x47\x0D\x0A\x1A\x0A _mesg_module() { local cur prev OPTS COMPREPLY=() cur="${COMP_WORDS[COMP_CWORD]}" prev="${COMP_WORDS[COMP_CWORD-1]}" case $prev in '-h'|'--help'|'-V'|'--version') return 0 ;; esac case $cur in -*) OPTS="--verbose --version --help" COMPREPLY=( $(compgen -W "${OPTS[*]}" -- $cur) ) return 0 ;; esac COMPREPLY=( $(compgen -W "y n" -- $cur) ) return 0 } complete -F _mesg_module mesg