My simple "dotfiles" of zsh & screen for CentOS 6/7

.screenrc

startup_message off
shell /bin/zsh
escape ^Zz
defscrollback 10000
defencoding utf8
defkanji utf8
encoding utf8 utf8
hardstatus alwayslastline "[%02c] %`%-w%{=b bw}%n %t%{-}%+w"
# hardstatus alwayslastline "%`%-w%{=b bw}%n %t%{-}%+w"
# caption always "%{= wb} %-w%{=bu dr}%n %t%{-}%+w %= %{=b wk} [%l] %{=b wb}%y/%m/%d(%D) %{=b wm}%c"

.zshenv

# direnv
if (( ${+commands[direnv]} )) ; then
  eval "$(direnv hook zsh)"
fi

# ruby (rbenv)
if [ -s $HOME/.rbenv ] ;then
  export PATH="$HOME/.rbenv/bin:$PATH"
  eval "$(rbenv init -)"
fi

# python (pyenv)
if [ -s $HOME/.pyenv ] ;then
  export PATH="$HOME/.pyenv/bin:$PATH"
  eval "$(pyenv init -)"
  if [ -s $HOME/.pyenv/plugins/pyenv-virtualenv ] ;then
    eval "$(pyenv virtualenv-init -)"
    export PYENV_VIRTUALENV_DISABLE_PROMPT=1
  fi
fi

.zshrc

# -*- Mode: Shell-script ; syntax: zsh; coding: utf-8 -*-

# Emacs Key Bindings
bindkey -e

# use Escape Sequences
setopt prompt_subst

# Disable beep
setopt nolistbeep

# PROMPT
PROMPT='%B[%n@%m %(1~,%1~,%~)]%(!,#,$) %b'
RPROMPT='%B[%(?.%!.ERROR:%?)] (%D{%a %b %d %H:%M:%S %Y})%b'
# setopt transient_rprompt

# History
HISTFILE=$HOME/.zsh-history
HISTSIZE=100000
SAVEHIST=100000

# Options for History
setopt extended_history         # コマンドの開始時刻と経過時間を登録
setopt hist_ignore_dups         # 直前のコマンドと同一ならば登録しない
setopt hist_ignore_all_dups     # 登録済コマンド行は古い方を削除
setopt hist_reduce_blanks       # 余分な空白は詰めて登録（空白数違い登録を防ぐ）
# setopt append_history           # zsh を終了させた順にファイルに記録(デフォルト)
# setopt inc_append_history       # 同上、ただしコマンドを入力した時点で記録
setopt share_history            # ヒストリの共有。(append系と異なり再読み込み不要、これを設定すれば append 系は不要)
setopt hist_no_store            # historyコマンドは登録しない
setopt hist_ignore_space        # コマンド行先頭が空白の時登録しない(直後ならば呼べる)
function history-all { history -E 1}

# 言語設定
setopt print_eight_bit
# export LANG=en_US.UTF-8
export LANG=ja_JP.UTF-8
export LC_ALL=en_US.UTF-8
export LANG=en_US.UTF-8
export LESS=-r

# 時間関連
REPORTTIME=8                    # CPUを8秒以上使った時は time を表示
TIMEFMT="\
    The name of this job.             :%J
    CPU seconds spent in user mode.   :%U
    CPU seconds spent in kernel mode. :%S
    Elapsed time in seconds.          :%E
    The  CPU percentage.              :%P"

# screenでwindows titleを変更
if [[ -n $(printenv STY) ]] ; then
  chpwd () { echo -n "_`dirs`\\" }
  preexec() {
    # see [zsh-workers:13180]
    # http://www.zsh.org/mla/workers/2000/msg03993.html
    emulate -L zsh
    local -a cmd; cmd=(${(z)2})
    case $cmd[1] in
    fg)
      if (( $#cmd == 1 )); then
        cmd=(builtin jobs -l %+)
      else
        cmd=(builtin jobs -l $cmd[2])
      fi
      ;;
    %*) 
      cmd=(builtin jobs -l $cmd[1])
      ;;
    "TERM=xterm"|"TERM=xterm\-256color")
      if (( $#cmd == 2)); then
        cmd[1]=$cmd[2]
      fi
      ;&
    cd|ssh)
      if (( $#cmd == 2)); then
        cmd[1]=$cmd[2]
      fi
      ;&
    reattach\-to\-user\-namespace)
      if (( $#cmd >= 3)); then
        case $cmd[3] in
        "TERM=xterm")
          cmd[1]=$cmd[4]
          ;;
        "TERM=xterm-256color")
          cmd[1]=$cmd[4]
          ;;
        esac
      fi
      ;&
    *)
      echo -n "k$cmd[1]:t\\"
      return
      ;;
    esac

    local -A jt; jt=(${(kv)jobtexts})

    $cmd >>(read num rest
      cmd=(${(z)${(e):-\$jt$num}})
      echo -n "k$cmd[1]:t\\") 2>/dev/null
  }
  chpwd
fi

# PATHの重複を削除する
function debug_mode() { return 1 }  # 0のときデバッグモード

function pathpack() {
  local q=':'
  for p in $path
  do
    debug_mode && echo $p
    [ "$q" '==' "${q/:$p:/}" ] && q="$q$p:"
    debug_mode && echo $q
  done
  q=${q#:}
  q=${q%:}
  debug_mode && echo $q
  debug_mode || PATH=$q
}

pathpack