注意在第二个totalwidth变量名:${totalwidth}周围使用了大括号。在第一个实例中,名称后面跟一个句点,句点不能是变量名的一部分。在第二个中,它后面跟有字母s,可能是,所以totalwidth名称必须用大括号与它分开。 打印到变量 在3.1 版本中,bash增加了一个-v选项,将输出存储在一个变量中,而不是打印到标准输出: ...
代码语言:javascript 代码运行次数:0 复制Cloud Studio 代码运行 print_in_top_right () { local columns=$(tput cols) # get the terminal width local text=${1:0:$columns} # truncate the text to fit on a line if needed tput sc # Save the Cursor position tput cup 0 $((columns - ${#tex...
Causes moderately "quiet" operation: the terminal bell is not rung if an attempt is made to scroll past the end of the file or before the beginning of the file. If the terminal has a "visual bell", it is used instead. The bell will be rung on certain other errors, such as typing ...
解决办法:(需要提前下好git,git网上教程很多,这里不赘述) 打开Pycharm,File—->Settings—–>Tools—–>Terminal,如下图 选择git安装目录下,bin文件中的bash.exe...即可 点击OK之后,去Terminal中看,就可以看到界面的变化(如下),然后你就可以使用bash命令了。...本站仅提供信息存储空间服务,不拥有所有权,不...
BASH(1) General Commands Manual BASH(1) NAME bash - GNU Bourne-Again SHell SYNOPSIS bash [options] [command_string | file] COPYRIGHT Bash is Copyright
COLUMNS Used by the select builtin command to determine the terminal width when printing selection lists. Automat- ically set upon receipt of a SIGWINCH. COMPREPLY GNU Bash-4.1 Last change: 2009 December 29 21 User Commands BASH(1) An array variable from which bash reads the possible ...
the screen width, the keymap to which subsequent key bindings should apply, or even what happens when readline wants to ring the terminal's bell. All of these variables can be set in the inputrc file. .PP The startup file understands a set of C preprocessor-like conditional const...
终端(Terminal)是计算机领域中的一个术语,通常指的是一种软件或设备,用于在计算机上运行命令行界面,并允许用户与计算机进行交互。 在早期计算机时代,终端通常是一个物理设备,类似于一个键盘和显示器的组合,用于连接到计算机并输入命令。而在现代计算机中,终端通常是一个软件,可以在计算机上运行,并提供一个命令行界面,...
gp_truncate_pwd- a function that returns the current PWD truncated to fit the current terminal width. Specify the length to truncate to as a parameter. Otherwise it defaults to 1/3 of the terminal width. If you want to show the git prompt only if you are in a git repository you can ...
INFORMATION ABOUT THE TERMINALGet the terminal size in lines and columns (from a script)This is handy when writing scripts in pure bash and stty/tput can’t be called.Example Function:get_term_size() { # Usage: get_term_size # (:;:) is a micro sleep to ensure the variables are # ...