標籤：
想必在命令列模式用久了，都看厭了那個單調又醜的提示符，個人認為還佔了些位，要是命令長的話還會斷行.
想改成
cd ~/touch .bash_profilevim .bash_profile
osx環境下操作的，關鍵文法 \[顏色\]prompt參數\[$reset\] 例如：\[$red\]\t\[$reset\]
reset=$(tput sgr0)green=$(tput setaf 2)yellow=$(tput setaf 3)blue=$(tput setaf 4)magenta=$(tput setaf 5)cyan=$(tput setaf 6)PS1="\[$magenta\]\u\[$reset\] at \[$blue\]\h\[$reset\] in \[$yellow\]\W\n\[$reset\]\[$green\]\$\[$reset\]"export PS1
:wq 儲存離開
source .bash_profile
tput命令使用方式
prompt參數:
- \a : an ASCII bell character (07)
- \d : the date in "Weekday Month Date" format (e.g., "Tue May 26")
- \D{format} : the format is passed to strftime(3) and the result is inserted into the prompt string; an empty format results in a locale-specific time representation. The braces are required
- \e : an ASCII escape character (033)
- \h : the hostname up to the first ‘.‘
- \H : the hostname
- \j : the number of jobs currently managed by the shell
- \l : the basename of the shell’s terminal device name
- \n : newline(換行)
- \r : carriage return
- \s : the name of the shell, the basename of $0 (the portion following the final slash)
- \t : the current time in 24-hour HH:MM:SS format
- \T : the current time in 12-hour HH:MM:SS format
- \@ : the current time in 12-hour am/pm format
- \A : the current time in 24-hour HH:MM format
- \u : the username of the current user
- \v : the version of bash (e.g., 2.00)
- \V : the release of bash, version + patch level (e.g., 2.00.0)
- \w : the current working directory, with $HOME abbreviated with a tilde
- \W : the basename of the current working directory, with $HOME abbreviated with a tilde
- \! : the history number of this command
- \# : the command number of this command
- \$ : if the effective UID is 0, a #, otherwise a $
- \nnn : the character corresponding to the octal number nnn
- \\ : a backslash
- \[ : begin a sequence of non-printing characters, which could be used to embed a terminal control sequence into the prompt
- \] : end a sequence of non-printing characters
文章參考，文章參考2
customize shell prompt
