fzf 显示预览窗口

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export FZF_DEFAULT_OPTS="--height 40% --layout=reverse --preview '(highlight -O ansi {} || cat {}) 2> /dev/null | head -500'"

## fzf : Ctr-f -------------------------------------------------
# .zshrc example
function __fsel_files() {
  setopt localoptions pipefail no_aliases 2> /dev/null
  eval find ./ -type f -print | fzf --reverse -m "$@" | while read item; do
    echo -n "${(q)item} "
  done
  local ret=$?
  echo
  return $ret
}

function fzf-vim {
    selected=$(__fsel_files)
    if [[ -z "$selected" ]]; then
        zle redisplay
        return 0
    fi
    zle push-line # Clear buffer
    BUFFER="nvim $selected";
    zle accept-line
}
zle -N fzf-vim
bindkey "^f" fzf-vim
setopt no_nomatch ## 处理：zsh: no matches found
setopt GLOB_DOTS  ## copy .dotfile: https://unix.stackexchange.com/questions/89749/cp-hidden-files-with-glob-patterns