zkbd.zsh

ZKBD_FILE=${HOME}/.zkbd/$TERM-$VENDOR-$OSTYPE
if [[ -e $ZKBD_FILE ]]
then
    source $ZKBD_FILE
else
    autoload zkbd
    zkbd
    source $ZKBD_FILE
fi
[[ -n "${key[Home]}"    ]]  && bindkey  "${key[Home]}"    beginning-of-line
[[ -n "${key[End]}"     ]]  && bindkey  "${key[End]}"     end-of-line
[[ -n "${key[Insert]}"  ]]  && bindkey  "${key[Insert]}"  overwrite-mode
[[ -n "${key[Delete]}"  ]]  && bindkey  "${key[Delete]}"  delete-char
autoload -U up-line-or-beginning-search
zle -N up-line-or-beginning-search
[[ -n "${key[Up]}"      ]]  && bindkey  "${key[Up]}"      up-line-or-beginning-search
autoload -U down-line-or-beginning-search
zle -N down-line-or-beginning-search
[[ -n "${key[Down]}"    ]]  && bindkey  "${key[Down]}"    down-line-or-beginning-search
[[ -n "${key[Left]}"    ]]  && bindkey  "${key[Left]}"    backward-char
[[ -n "${key[Right]}"   ]]  && bindkey  "${key[Right]}"   forward-char