ZSH, a shell for human lecture during Developers Conference 2013

1. zsh- a shell for
humans
@juandebravo

2. First goal: this prompt

3. •
Is it a new shell? No… it’s been there
since 1990!
•
It’s newer than bash? Well… less than
a year (bash was born in 1989)!
•
why has it become popular? Due to ohmy-zsh

4. How to install
# Debian/Ubuntu!
> sudo apt-get install zsh!
# Mac OS X!
> brew info zsh!
> brew install --disable-etcdir zsh

5. Set as default shell
> chsh -s $(which zsh)

6. Nice autocompletion:
cd

7. Nice autocompletion:
git

8. Nice autocompletion:
ssh

9. Globbing
> mkdir connect{“-api”,"-backend","-commons"}!
> ls -l **/foo.java!
> ls **/*.py(.x)!
> ls -l */**(Lk+100)!
> vi **/README.md!

10. path expansion

11. path replacement

12. Spelling correction

13. Aliases
# Normal alias!
> alias ..=“cd ..”!

14. Aliases
# Global alias!
> alias -g gp=“| grep -i | grep -v grep”!
> ps -ef gp redis!
=> ps -ef | grep -i redis | grep -v grep!

15. Aliases
# Suffix alias!
> alias -s md=“subl”!
> README.md!
=> subl README.md!

16. Prompt
PROMPT='$(machine_name) [%~]$(rvm_prompt_info)$(nvm_prompt_info)$
(python_prompt_info)$(hg_prompt_info)$(git_prompt_info)%{$reset_color%}!
%{$fg[red]%}$(prompt_char) %{$reset_color%}'
python_prompt_info() {!
[ $VIRTUAL_ENV ] && echo " %{$fg[yellow]%}~`basename $VIRTUAL_ENV`%
{$reset_color%}”!
}

17. Prompt
python_prompt_info() {!
[ $VIRTUAL_ENV ] && echo " %{$fg[yellow]%}~`basename $VIRTUAL_ENV`%
{$reset_color%}”!
}

18. Right Prompt
RPROMPT='$(battery_charge) $(current_time)'

19. Libraries on top of
zsh
> oh-my-zsh: https://github.com/robbyrussell/
oh-my-zsh!
> Prezto: https://github.com/sorin-ionescu/
prezto!

20. More cool stuff
http://fishshell.com/

21. Thanks!
Juan de Bravo!
@juandebravo!
DEVCON 2013