DreamsOfCode_001

10 Zsh Hacks

Video: 10 Zsh hacks I wish I knew about sooner
By Dreams of Code [http://www.youtube.com/@dreamsofcode](http://www.youtube.com/@dreamsofcode)

1 When typing long commands

• Edit command buffer C-x C-e like bash

2 When accidentally deleting more than wanted

• C-_ will undo last action
• zsh has a redo action

3

• magic-space
• sudo !! executes previous command from history
• caveat: we want to see what will be executed (like histverify)
• magic-space will expand history

4

• chpwd hool: executes a command when we change dir
• example, in nixos will open a nix shell when cd'ing in
• example, when cd'ing into a virtual env
• can only define one chpwd hook

5

• autoload -Uz add-zsh-hook
• add-zsh-hook chpwd nix_hook
• add-zsh-hook chpwd python_hook
• add-zsh-hook chpwd function() { ... }

6

• auto open file
• suffix aliases -- run based on suffix
• alias -s go='$EDITOR'

7

• global aliases, can be used anywhere in a command
• alias -g NE='2>/dev/null'
• du / NE -- expands to du / 2>/dev/null
• define these with uppercase names

8

• zmv
• autoload zmv
• zmv '(*).log' '$1.txt'
• zmv -W '*.log' '*.txt'
• zmv -n ... does dry run
• zmv -i will prompt for each change

9

• bookmarking locations
• hash -d yt=~/Projects/youtube
• cd ~yt

10

• zoxide

11

• customising actions for command line buffer
• widgets: functions that perform actions
• zle = zsh line editor

12

• configure hotkeys to insert into command buffer
• bindkey -s '^Xgc' 'git commit -m ""\C-b'