zsh

In bash I am able to write a script that contains something like this: { time { #series of commands echo "something" echo "another command" echo "blah blah blah" } } 2> $LOGFILE In ZSH the equivalent code does not work and I can not figure out how to make it work for me. This code works but I don't exactly know how to get it to wrap multiple commands. { time echo "something" } 2>&1 I know I can create a new script and put the commands in there then time the execution properly, but is there a way to do it either using functions or a similar method to the bash above? Zsolt Botykai Try the

Redirecting stdout+stderr such that both get written to a file while still outputting to stdout is simple enough: cmd 2>&1 | tee output_file But then now both stdout/stderr from cmd are coming on stdout. I'd like to write stdout+stderr to the same file (so ordering is preserved assuming cmd is single threaded) but then still be able to also separately redirect them, something like this: some_magic_tee_variant combined_output cmd > >(command-expecting-stdout) 2> >(command-expecting-stderr) So combined_output contains the both with order preserved, but the command-expecting-stdout only gets

It took me a while to figure out how to do this, so posting in case anyone else is looking for the same. For adding a newline after a pattern, you can also say: sed '/pattern/{G;}' filename Quoting GNU sed manual : G Append a newline to the contents of the pattern space, and then append the contents of the hold space to that of the pattern space. EDIT: Incidentally, this happens to be covered in sed one liners : # insert a blank line below every line which matches "regex" sed '/regex/G' This sed command: sed -i '' '/pid = run/ a\ \ ' file.txt Finds the line with: pid = run file.txt before ;

yum更换国内源 从国外下载rpm包有时会很慢 所以更改为国内的下载源会快很多 进入 /etc/yum.repos.d 目录 使用 rm -f CentOS-Base.repo 删除 CentOS-Base.repo 文件 curl -O http://mirrors.163.com/.help/CentOS7-Base-163.repo 使用以上命名可以下载 CentOS7-Base-163.repo 文件到当前目录 完成后使用ls命令查看是否下载该文件成功 使用 wget 或者 curl 都可以下载163的源文件 如果系统没有安装 wget 可以先用 curl 下载 下载完成后，可以使用 yum repolist 或者 yum repolist all 查看可用的yum源 如图，可以看到图中三个源都是163.com的 yum下载rpm包 之前更换的国内源是基础的源 包含的rpm包不够多，有时候需要rpm包基础源里面没有 所以就需要增加扩展源，扩展源里面有更多的rpm包可以下载 使用 yum install -y epel-release 安装扩展源文件 如图，使用安装命令后，会多出这两个文件 epel.repo文件内有安装源地址等信息 现在使用 yum list 查看可以安装的包，就可以看到许多来自epel源的包 也可以使用 yum list |grep epel

别名 别名是 命令 的快捷方式。为那些需要经常执行，但需要很长时间输入的长 命令 创建快捷方式很有用。语法是： alias ppp='ping www.baidu.com' 它们并不总是用来缩短长命令。重要的是，你将它们用于你经常执行的任务。可能的例子： alias update='yum update' 这样就可以只是用update来完成yum update的命令操作了 在终端中设置别名的问题是，一旦终端会话关闭，别名就会丢失。要永久设置它们，请使用资源文件。 http://cloud.yesky.com/info/332/1460300332.shtml http://www.pcpop.com/article/6054830.shtml https://www.linuxprobe.com/books 资源文件 资源文件（即 rc 文件）是在会话或进程开始时（每个用户在开启新终端窗口或启动 vim 等新程序时）加载的配置文件。对于 ZSH，资源文件是 .zshrc，对于 bash，它是 .bashrc。 要使别名成为永久别名，你可以将它们放入资源文件中。你可以使用你选择的文本编辑器编辑资源文件。这里使用 vim： vim $HOME/.zshrc 或者对于 bash： vim $HOME/.bashrc 这样我们在新建一个终端之后

I know that I can exec a date command in my zsh prompt. However, it shows the old time; to see the current time, I have to hit <return> and get a new prompt with the current time. Is there a way to configure the zsh prompt to constantly update itself every second? This would be .... unpleasant in a standard zsh prompt (or bash, or other shells). I suggest you'd be better off using Gnu Screen. Screen can have a status line which can show the time. Here's an example screenrc scroll down to "Red Hat Magazine A guide to GNU Screen" to see the sample (i'll reproduce that here) which will, when

So I installed Anaconda and everything is working. After I installed it I decided to switch to oh-my-zsh . I am now getting: zsh: command not found: conda when trying to use pip or conda installs echo $ZSH_VERSION 5.0.5 I have added to my zshenv.sh export PATH ="/Users/Dz/anaconda/bin:$PATH" What is it that I'm missing? As of today Nov 4, 2018 all the following methods works, install the zsh with: sh -c "$(curl -fsSL https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh)" Not recommending brew installation for zsh: brew install zsh zsh-completions P.S: Tried with