source: trunk/klask.bash_completion

# bash completion for klask

_klask() {
   local cur prev

   COMPREPLY=()
   #_get_comp_words_by_ref cur prev
   cur="${COMP_WORDS[COMP_CWORD]}"
   prev="${COMP_WORDS[COMP_CWORD-1]}"

   case $prev in
      -f|--format)
         COMPREPLY=($(compgen -W "txt html dot" -- "$cur"))
         return 0
         ;;
      -k|--kind)
         COMPREPLY=($(compgen -W "host mac" -- "$cur"))
         return 0
         ;;
      -i|--vlan)
         COMPREPLY=($(compgen -W "$(grep vlan-id: /etc/klask/klask.conf|awk '{print $2}'|xargs echo -n)" -- "$cur"))
         return 0
         ;;
      -s|--shift)
         COMPREPLY=($(compgen -W "1 2 3" -- "$cur"))
         return 0
         ;;
      -w|--way)
         COMPREPLY=($(compgen -W "all desc child parent" -- "$cur"))
         return 0
         ;;
   esac

   if [[ "$cur" == '-*' || $COMP_CWORD -gt 1 ]]
   then
      #COMPREPLY=($(compgen -W '-v --verbose -k --kind -f --format -d --day -i --vlan -m --modulo -s --shift' -- "$cur"))
      COMPREPLY=($(compgen -W "$(klask  help|grep "^ klask ${COMP_WORDS[1]}" | sed -e 's/[\[]/\n/g;'|grep -- '^-'|cut -f 1 -d ']'|cut -f 1 -d ' '|sed -e 's/|/ /g;'|xargs echo -n)" -- "$cur"))
   else
      COMPREPLY=($(compgen -W "$($(which klask || echo /usr/bin/klask) help|grep '^ klask'|awk '{print $2}'|xargs echo -n)" -- "$cur"))
   fi

   } && complete -F _klask klask