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原文地址：http://www.ubuntubuzz.com/2012/04/add-s ... ds-on.html 把下面的代码保存为~/.bash_ps1，在~/.bashrc最后加上下面一段 然后 即可看到效果。

[bash]
# Fill with dashes
# (this is recalculated every time the prompt is shown in function prompt_command):
fill="—" # note here I use half dash of chinese syle.

reset_style='\[\033[00m\]'
status_style=$reset_style'\[\033[0;90m\]' # gray color; use 0;37m for lighter color
prompt_style=$reset_style
command_style=$reset_style'\[\033[1;29m\]' # bold black
# Prompt variable:

PS1="$status_style""working in "'\e[1;31m\w\e[m'"$status_style"' $fill \t\n'"$prompt_style"'${debian_chroot:+($debian_chroot)}\u@\h:\$'"$command_style "

# Reset color for command output
# (this one is invoked every time before a command is executed):
trap 'echo -ne "\e[0m"' DEBUG

let length=$(echo "$HOME" |wc -m)

function prompt_command {

if [ -n "`echo $(pwd) |grep "$HOME"`" ]
then
let plength=$(pwd |wc -m)-${length}+2
else
let plength=$(pwd |wc -m)
fi


# create a $fill of all screen width minus the hints, path, time string and a space:
let fillsize=${COLUMNS}-${plength}-21
fill=""
while [ "$fillsize" -gt "0" ]
do
fill="—${fill}" # fill with horizontal line to work on
let fillsize=${fillsize}-1

done

# If this is an xterm set the title to user@host:dir
case "$TERM" in
xterm*|rxvt*)
bname=`basename "${PWD/$HOME/~}"`
echo -ne "\033]0;${bname}: ${USER}@${HOSTNAME}: ${PWD/$HOME/~}\007"
;;
*)
;;
esac

}
PROMPT_COMMAND=prompt_command
[/bash]

我还是用简单换行吧

● echo $PS1
%{%}$(tlcr-check) $(date-now) %{%}%{%}%m%{%} $_prompt_color%{%}$_prompt_pwd%{%} $(get_prompt_git)
%{%}%{%}●%{%}