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如何在 cd 命令后自动将 pwd 回显到 shell？

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如何在 cd 命令后自动将 pwd 回显到 shell？

如何在 cd 命令后自动将 pwd 回显到 bash shell？我的老旧 Solaris 系统可以做到这一点，但我找不到如何在 Ubuntu 中做到这一点。实际上我希望它看起来像下面这样，这样我就不必一直输入 pwd！

user@server[USR@SOL] cd  
/export/home/user  
user@server[USR@SOL] cd ..  
/export/home  
user@server[USR@SOL] cd ..  
/export/

谢谢

答案1

简短的回答：您有一个PS1描述提示结构的环境变量。包含\w该变量将导致当前工作目录显示在提示中。

长答案：这通常在 中完成~/.bashrc。如果在那里省略或删除了它，则可以使用以下代码（取自标准.bashrc）重新创建标准 Ubuntu 提示符，如下所示： user@host:pwd$

代码如下：

# set variable identifying the chroot you work in (used in the prompt below)
if [ -z "${debian_chroot:-}" ] && [ -r /etc/debian_chroot ]; then
    debian_chroot=$(cat /etc/debian_chroot)
fi

# set a fancy prompt (non-color, unless we know we "want" color)
case "$TERM" in
    xterm-color|*-256color) color_prompt=yes;;
esac

# uncomment for a colored prompt, if the terminal has the capability; turned
# off by default to not distract the user: the focus in a terminal window
# should be on the output of commands, not on the prompt
#force_color_prompt=yes

if [ -n "$force_color_prompt" ]; then
    if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then
    # We have color support; assume it's compliant with Ecma-48
    # (ISO/IEC-6429). (Lack of such support is extremely rare, and such
    # a case would tend to support setf rather than setaf.)
    color_prompt=yes
    else
    color_prompt=
    fi
fi

if [ "$color_prompt" = yes ]; then
    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
else
    PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '
fi
unset color_prompt force_color_prompt

# If this is an xterm set the title to user@host:dir
case "$TERM" in
xterm*|rxvt*)
    PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]$PS1"
    ;;
*)
    ;;
esac

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