Type(Type) 2014/3/6 14:42 (Since 2014/3/3 13:23)
Bash Prompt Example: Color / User / Date / Time / Host / Path
1. User => \u
代碼:
\u
2. Color
代碼:
BOLD => \[\033[1m\]
RED => \[\033[31m\]
BOLD READ => \[\033[1;31m\]
GREEN => \[\033[32m\]
BOLD GREEN => \[\033[1;32m\]
YELLOW => \[\033[33m\]
BOLD YELLOW => \[\033[1;33m\]
BLUE => \[\033[34m\]
BOLD BLUE => \[\033[1;34m\]
OFF => \[\033[m\] or \[\e[0m\]
3. Host => \h
e.g. username@hostname prmpt
代碼:
\u@\h
4. Date (No Year) => \d
e.g. Mon Mar 03
代碼:
\d
5. Date (YYYY-MM-DD) => \D{Format}
e.g. 2012-08-15
代碼:
\D{%Y-%m-%d}
6. Unix Time Stamp => \D{%s}
e.g. 1365656566
代碼:
\D{%s}
7. Absolute Path => \w
e.g. ~username/myfolder/
代碼:
\w
8. New Lines => \n
e.g.
代碼:
\n
9. Related Path => \W
代碼:
\W
10. Time => \A \t
代碼:
\A => 14:31 (24 HH:II)
\t => 14:31:21 (24 HH:II:SS)
\T => 02:31:21 (12 HH:II Without AM/PM)
\@ => 02:31 PM (AM/PM will be translated up to your locale)
11. History Count => \#
代碼:
\# ==> It will show how many commands in this shell (bash history counting)
Some bash prompt examples
Example #1: 'user@host $ '
代碼:
export PS1='\u@\h $ '
Example #2: Two lines with (1) First line Date Time (2) 2nd Line '>> ' prompt
代碼:
export PS1='\n\u@\h \[\d \t\] \w \n>> '
Example #3: BOLD + Colorful upon Example #2
代碼:
export PS1='\n\[\033[1;32m\]\u@\h \t \[\e[33m\]\w\[\e[0m\]\n>> '
See also: http://xor.tw/4zlm2
Type(Type) 2014/3/3 13:23
See also
=> https://wiki.archlinux.org/index.php/Color_Bash_Prompt
Hate the "~" of \w? (Want the HOME directory to be absolute path as well!)
=> superuser.com/questions/202212/how-can-i-display-the-absolute-path-in-bash-prompt
Details PS1/PS2 Options
代碼:
\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
\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 (uses the value of the PROMPT_DIRTRIM vari‐
able)
\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
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