代码: PROMPT_COMMAND=’PS1=” \[\033[35m\]\$(/bin/date) \[\033[32m\]\w\[\033[1;31m\]\u@\h: \[\033[1;34m\]\$(/usr/bin/tty | /bin/sed-e ’s:/dev/::’): \[\033[1;36m\]\$(/bin/ls-1| /usr/bin/wc-l | /bin/sed’s: ::g’) files \[\033[1;33m\]\$(...
PROMPT_COMMAND=vim # placefunction's ending"}"on anewline# but also separate the"}"and the...
# Note that we use `"$@"' to let each command-line parameter expand to a # separate word. The quotes around `$@' are essential! # We need TEMP as the `eval set --' would nuke the return value of getopt. #-o表示短选项,两个冒号表示该选项有一个可选参数,可选参数必须紧贴选项 #...
Bash shell 在显示 PS1 变量之前执行 PROMPT_COMMAND 的内容。 ramesh@dev-db~>exportPROMPT_COMMAND="date +%k:%m:%S"22:08:42ramesh@dev-db~>[Note:This displays thePROMPT_COMMANDandPS1output on different lines] 如果要在与 PS1 相同的行中显示 PROMPT_COMMAND 的值,请使用 echo -n ,如下所示。 ra...
PROMPT_COMMAND=vim # place function's ending "}" on a new line # but also separate the "}" and the next command # or function vim { printf "\e]1;"`basename "$1"`"\a" /usr/bin/vim "$1" } # again, place trailing "}" on separate line PROMPT_COMMAND=vim # place next comma...
PROMPT_COMMAND='echo -ne "\033_${USER}@${HOSTNAME%%.*}:${PWD/#$HOME/~}"; echo -ne "\033\\"' fi ;; *) [ -e /etc/sysconfig/bash-prompt-default ] && PROMPT_COMMAND=/etc/sysconfig/bash-prompt-default ;; esac # Turn on checkwinsize shopt -s checkwinsize [ "$PS1" = "\...
ramesh@dev-db ~>[Note: This displays the PROMPT_COMMAND and PS1 output on different lines] If you want to display the value of PROMPT_COMMAND in the same line as the PS1, use the echo -n as shown below. ramesh@dev-db ~> export PROMPT_COMMAND="echo -n [$(date +%k:%m:%S...
Once rebooted, open a PowerShell/command prompt and run “Bash” and follow the simple prompts to accept Canonical’s license and kick-off the download of the Ubuntu image: After download has completed, you’ll be able to start “Bash on Ubuntu on Windows” from the Start menu: ...
-p prompt 打印提示,等待输入,并将输入存入 REPLY 中 -r line 允许输入中包含反斜杠 ”\ ” -t timaout:指定等待接受参数的时间 -n:表示不换行 1.3、变量替换 2、bash中的运算 2.1、算数运算:需要变量为数值型,但默认直接进行变量赋值时都是字符型,所以需要显示的定义可以使用declare或let命令。但bash是解释...
Run the following command to update the changes: $ source ~/.bashrc Now, the BASH prompt will have the letters "ostechnix" in the shell prompt. Modify "username@hostname" part in the Bash prompt Here is another example. I am going to replace "username@hostname" part with "Hello@welcome...