type: txt
help: Set local timezone
default: "GMT"
update: LTF="/usr/share/zoneinfo"
  case "$VAR(@)" in
    [Ll][Oo][Ss]*) LTF="$LTF/US/Pacific" ;;
    [Dd][Ee][Nn]*) LTF="$LTF/US/Mountain" ;;
    [Hh][Oo][Nn][Oo]*) LTF="$LTF/US/Hawaii" ;;
    [Nn][Ee][Ww]*) LTF="$LTF/US/Eastern" ;;
    [Cc][Hh][Ii][Cc]*) LTF="$LTF/US/Central" ;;
    [Aa][Nn][Cc]*) LTF="$LTF/US/Alaska" ;;
    [Pp][Hh][Oo]*) LTF="$LTF/US/Arizona" ;;
    GMT*) LTF="$LTF/Etc/$VAR(@)" ;;
    *) LTF="$LTF/$VAR(@)" ;;
  esac
  if [ -f "$LTF" ]; then
     sudo ln -fs $LTF /etc/localtime
  else
     echo "Invalid timezone"
     exit 1
  fi
delete:expression: "sudo ln -fs /usr/share/zoneinfo/GMT /etc/localtime"
allowed: word=${COMP_WORDS[$COMP_CWORD]}
         if [[ $word == */* ]]; then
           marr=($(ls -d /usr/share/zoneinfo/$word*))
         else
           marr=($(find /usr/share/zoneinfo/ -maxdepth 1 -type d \
                   -name "$word*"))
         fi
         if (( ${#marr[@]} == 1 )); then
           word=${marr[0]#/usr/share/zoneinfo/}
         fi
         if [ -n "$word" ] && [[ $word != */ ]]; then
           marr=($(ls -d /usr/share/zoneinfo/$word*))
           if (( ${#marr[@]} == 1 )) \
               && [ -d "/usr/share/zoneinfo/$word" ]; then
             word=$word/
           elif [[ $word == */* ]]; then
             word=${word%/*}/
           fi
         fi
         for z in $(ls -d /usr/share/zoneinfo/$word* \
                      2>/dev/null | egrep '^/usr/share/zoneinfo/[A-Z]'); do
           zz=${z#/usr/share/zoneinfo/}
           if [ -d $z ] || [[ $zz == */* ]]; then
             echo \"$zz\"
           fi
         done
comp_help:Enter the local timezone by specifying "Region/City"
  Use auto-completion to see available regions and cities.
  Start with one of these regions:
    Africa      America   Antarctica   Arctic   Asia     Atlantic
    Australia   Brazil    Canada       Chile    Europe   Indian
    Mexico      Mideast   Pacific      US