Lately, I’ve been plagued with getting my zsh prompt exactly the way I want. I’ve been using the clint theme bundled with zsh, but it’s multiline prompt, and poor color choice started getting to me. So, I figured I’d change it and start with something simple, maybe mimicking bash a little, and slowly building out from there. The result, thus far, I’m pleased with. It’s a basic bash-like prompt, showing the username, hostname, current working directory and current history number. What isn’t showing, but will if needed, is the returned exit code on failure. Here’s a demo of the prompt in action:
aaron@kratos:~ 262 % ls -ld tmp drwxrwxr-x 2 aaron root 4096 2008-01-30 13:22 tmp aaron@kratos:~ 263 % rm -rf tmp aaron@kratos:~ 264 % ls -ld tmp ls: tmp: No such file or directory aaron@kratos:~[2] 265 % echo $? 2 aaron@kratos:~ 266 %
Nice. Only showing the exit code, when there’s a failure, otherwise, keep it hidden. What I currently can’t figure out, but will, is showing only when I’m behind a screen session. So far, the PS1 variable is as follows:
aaron@kratos:~ 266 % echo $PS1 %n@%m:%~%(?..[%?]) %h %#
%n - username %m - hostame up to the first dot %~ - current working directory %(?..%?) - testing for failure on exit code %? - the exit code %h - history number %# - % if unprivileged, # if privileged
The tricky part for me, was getting the syntax for testing the exit code. The syntax is %(x.true-string.false-string), where ‘x’ is some arbitrary testing condition, in this case, ‘?’ for exit codes. After the first dot, if the test passes, show true-string, if it fails, show false-string after the second dot. So, in my case, I’m returning an empty string on a returned 0 exit code, and the failed exit code on false (in brackets). Now, to figure that out with screen sessions.
What do you think? If you’re a zsh user, I’d be interested in your PS1 variable.
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if [[ -n $SSH_CLIENT || -n $REMOTEHOST ]] then
PS1=’: ${CHROOT}%T %(5~|…/%2c|%~) %# ‘
RPROMPT=%n@%m
else
PS1=’: ${CHROOT}%T %(5~|…/%2c|%~) %# ‘
fi
What is ZSH?
This is the first time I hear about it.
Cheers mate!
[smarter@fenny ~/Builds/revu/extremetuxracer]% echo $PS1
%{$reset_color$bold_color$fg[green]%}[%{$reset_color$reset_color$fg[green]%}%n%{$reset_color$bold_color$fg[green]%}@%{$reset_color$reset_color$fg[green]%}%m%{$reset_color$bold_color$fg[green]%} %{$reset_color$reset_color$fg[cyan]%}%~%{$reset_color$bold_color$fg[green]%}]%{$reset_color$reset_color$fg[green]%}%# %{$reset_color$reset_color%}
Clean and green (:
What is ZSH?
cool dude. We are heading to a momentum when everybody can handle xorg.conf or grub but doesn’t know what bash is.
computer illiterates ftw!
PS: copying your $PS1 to my ~/.bashrc at light speed
PROMPT=$’%(!.%{\e[1;31m%}.%{\e[1;32m%})%n@%{\e[1;34m%}%m:%{\e[1;31m%}%1~%{\e[1;00m%}%(!.#.$)’
RPROMPT=’%(?..%?)’
name@host:(last element of pwd)$
At far right is the exit code if not 0.
Colors make it a bit hard to read.
I can respect that you don’t like multi-line prompts (sometimes they can really get in the way, or make the terminal look *super* busy (the clint theme is three (!) lines)). In spite of that, here’s a quick note about the bad default colors:
prompt clint blue cyan white yellow white
prompt -h clint
Regardless, nice writeup of a simple and elegant prompt.
My PS1 prompt is pretty basic:
PS1=%B%m%b >
but what I really like is the right justified prompt which is where I display the current directory…
RPROMPT=%~
Thanks thom! I’d been wondering about a different remote prompt! Mine now is:
if test `whoami` != “root”
then
PS1=”${fg_light_cyan}%B%n@%m:${fg_light_blue}%~${fg_light_gray}%#%b ”
else
PS1=”${fg_red}%B%n@%m:${fg_red}%~${fg_light_gray}%#%b ”
fi
RPROMPT=”${fg_cyan}%t${fg_no_colour}”
___________________
PROMPT=$’%(?..%{\e[41;38m%}%B-%?-%b%{\e[0m%} )%(1j.%{\e[01;33m%}[%j] .)%{\e[01;32m%}%m%{\e[0m%} %{\e[01;36m%}%2~%{\e[0m%} %B%#%b '
RPROMPT=$'%{\e[00;07m%}%(?..$exitstuff)% %{\e[0m%} %T'
# Taken and modified from "atom's .zshrc" public release v0.109 - http://smasher.org/zsh/
precmd () {
local exitstatus="${?}"
if [[ ${exitstatus} -ge 128 && $exitstatus -le (127+${#signals}) ]]; then
# Last process was killed by a signal. Find out what it was from
# the $signals environment variable.
exitstuff=”${signals[${exitstatus}-127]}”
else
unset exitstuff
fi
}
___________________
The function here tells you the name of the interrupt, which I like
Also, RPROMPT tells the time in reverse video, so no problem while testing different themes etc. Although I am planning to switch it to the left so that copy-pasting can become easier
this is in my .zshrc:
local smiley=”%(?,%{$fg[green]%}:%)%{$reset_color%},%{$fg[red]%}:(%{$reset_color%})”
PROMPT=$’%{\e[0;36m%}%B[%b%{\e[0m%}%B%n%b%{\e[0;36m%}%B@%b%{\e[0m%}%B%m%b%{\e[0;36m%}%B]%b%{\e[0;36m%}%B[%b%{\e[0m%}%B${smiley}%b%{\e[0;36m%}%B]%b%{\e[0m%}%B%#%b
looks like this:
[user@host][:)] % cd sh
[user@host][:)] % ls foo
ls: cannot access foo: No such file or directory
[user@host][:(] %
It will show a green smiley if the last command finished successfully, or a red frowney if it did not.
Hello Aaron! What you think of this?
-
if [[ `whoami` = root ]] then
a1=”%{$fg_bold[red]%}”
a2=”%{$fg_no_bold[red]%}”
else
a1=”%{$fg_bold[white]%}”
a2=”%{$fg_no_bold[white]%}”
fi
PROMPT=”$a1(%n@%m)$a2(%D{%d/%m}+%D{%H:%M})”$’\n’
PROMPT+=”$a2(%~) %{$reset_color%}”
-
Do let me know!
# Git branch
function __prompt_git() {
local git_dir ref br top;
git_dir=$(git rev-parse –git-dir 2> /dev/null) || return
ref=$(git symbolic-ref HEAD 2> /dev/null) || return
br=${ref#refs/heads/}
top=$(cat $git_dir/patches/$br/current 2>/dev/null) && top=”/$top”
echo “($br$top)”
}
# Colour stuff
autoload colors zsh/terminfo
if [[ "$terminfo[colors]” -ge 8 ]]; then
colors
fi
for color in RED GREEN YELLOW BLUE MAGENTA CYAN WHITE; do
eval PR_$color=’%{$terminfo[bold]$fg[${(L)color}]%}’
eval PR_LIGHT_$color=’%{$fg[${(L)color}]%}’
(( count = $count + 1 ))
done
PR_NO_COLOR=”%{$terminfo[sgr0]%}”
# Environment variables
PS1=”$PR_LIGHT_BLUE%m$PR_NO_COLOR:$PR_LIGHT_WHITE%2c$PR_NO_COLOR %n%(!.#.$) ”
RPS1=”$PR_LIGHT_RED$(__prompt_git)$PR_NO_COLOR $PR_LIGHT_YELLOW%D{%H:%M}$PR_NO_COLOR !%h”
Lovely little prompt. Looks kinda like…
osx:~ james$ (master) 00:38 !61
…but with lots of pretty colours!
I’m mainly posting because I want a Mac with Safari on the comment list!
PS1=”%(!.#.$) ”
RPROMPT=”%(?..%F{red}!%?!%F%F{white}:)%~%(1j.:%j.)”
Simple and powerfull.
> cd /usr/share/doc/zsh/
>
local pscolor=”%B%(?,%F{green},%F{red})”
PS1=”${pscolor}> %f%b”
PS2=”${pscolor}> %f%b”
RPROMPT=”(%!%) %T”
A very simple ascii art fish, used as a ps1. The eye is actually the pwd, and the fish turns red when the last command returns an error. I also have a right-aligned prompt with the history event number and time.
This is somewhat novel but very useful.
@Brianskywalker I can’t reproduce your prompt. I just get a series of double quotes. On the other hand, I like adding an ASCII fish to the prompt. I need more of a playful prompt.
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[...] unknown wrote an interesting post today onHere’s a quick excerptaaron@kratos:~ 262 % ls -ld tmp drwxrwxr-x 2 aaron root 4096 2008-01-30 13:22 tmp aaron@kratos:~ 263 % rm -rf tmp aaron@kratos:~ 264 % ls -ld tmp ls: tmp: No such file or directory aaron@kratos:~[2] 265 % echo $? 2 aaron@kratos:~ 266 % … [...]
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