- infos
- recorded 2019
- course is here
- Introducing Zsh
- there are many shells
- Installation and initial configuration
- Linux, Unix, OpenBSD, FreeBSD
sudo apt install zsh- then just type
zsh - press 0 to create a ~/.zshrc
- changed HISTSIZE=5 and it works (with source)
- he went to the main menu and is clicking through the menu to set it up
- Using Zsh as your primary shell
chshasks your password, then gives you a file to edit where you can change your shell- or
chsh -s /usr/bin/zsh edward - or
sud usermod -s /usr/bin/zsh edward - adduser.conf on my Debian but not my Macbook
- Environment and options
- shell is a program of its own
- setopt and unsetopt
- was able to
setopt verbosein .zshrc and it was set when opening any shell
- Aliases and reserved words
- order of preference
- alias
- reserved words
- functions
- builtins
- commands
- if you make an alias with same name as "ls", then "command ls"
- alias, unalias
- order of preference
- Functions
ml() {to create function- unfunction as well
- functions
- in Debian, Arch: declare -F
echo $fpathonly zsh- autoload for function loading
- this loads a tetris game
- Builtins and commands
- most in /usr/bin and /bin
- which pwd: zsh says shell built-in command
- disable builtin pwd
- enable builtin pwd
- Finding help
- man zsh
- man zshbuiltins
- Autocd and cd shorthand
- working directory
pwdfind out what it is
- Directory stack and user dirs
- zsh;how to add an alias for a directory path; in .zshrc add
hash -d ss=~/Documents/SCREENSHOTS, thenls ~ssandcd ~ss;4.7 - linux;how to move to another users (e.g. "lars") home directory;
cd ~lars;4.2 - linux;how to keep a list of directories you are working on and move to them quickly by number;
pushd /etc,pushd /var,pushd /etc/nginx/conf.d,dirs -v,pushd +2;4.6
- zsh;how to add an alias for a directory path; in .zshrc add
- Finding files and commands
- linux; find all files in your home directory that are greater than 100 MB large;
find /Users/edward -size +100000k 2>dev/null - linux;how to find all files anywhere named "index.html";
find / -name "index.html" 2>/dev/null;4.9 - which shows where a command is
- whence shows how it would be interpreted if it ran
- linux; find all files in your home directory that are greater than 100 MB large;
- Autocompletion
- setopt completeinword
- setopt correct
- Redirection and multios
- setopt noclobber
overwrites
appends
- ls | mc -m (counts characters in file)
- use tee to see information in a pipeline
- Command history
- pressing up once recalls the previous command
- setopt histignorespace
- setopt interactivecomments
- History shell variables
- linux; how to refer to the last argument again;
cp dir001.txt dir001.bakthencat $_;4.8 - linux; how to refer to the same argument again;
cat projects/project001/.envthencp !* proj001.bak;4.8
- linux; how to refer to the last argument again;
- Expansions
- !333
- online in interactive shells
- ls -al ${mdir}TEST
- Renaming files with zmv
- there is no undo
- so use -n
- ** means recursion
- so: zmv '(**/)/(*).log' ..., just know you can use it
- get help on this and other zsh commands:
man zshcontrib
- there is no undo
- Scripting
- Configuration files
- shells
- login shell
echo $-= li- e.g. 569XZilms
- interactive shell
echo $-= i- e.g. 569XZims
- non-interactive shell
echo $-= (neither)
- login shell
- where they are configured
- most of these files won't exist in your system
- shells
- Customizing the prompt
- echo $PROMPT
- colors with %F{green}nnn%f
- all the colors
- Using the Oh-My-Zsh configuration manager
- main site: ../ohmyz.shhttps://ohmyz.sh
- runs the wget command
- running on arch
- install zsh
sudo pacman -Sysudo pacman -S zshchsh -s /bin/zsh
- install zsh
- he adds plugin: `plugins=(git battery)
- can now type these commands
- then in .zshrc
- can now type these commands
- Learning Zsh
- powerline adds symbols to prompts
- it's complicated, depends on distro
- gives more options but is not very portable
- powerline adds symbols to prompts
- Learn more