learning-zsh

This is a collection of snippets used in Learning ZSH at LinkedIn Learning

Random number guessing game:

r=$(( $RANDOM % 8 ))
echo "I'm thinking of a number between zero and eight. Can you guess it?"
vared -p "> " -c g
if [[ $g -eq $r ]]; then;
	echo "Congratulations, $r is correct!"
else;
	echo "Sorry, I was thinking of $r!"
fi

Sample prompt strings

A colorful string: PROMPT='[%F{164}%n%f@%F{135}%m%f %F{025}%d%f]%# '

Another colorful string: PROMPT='[%F{009}%n%f@%F{015}%m%f %F{027}%d%f]%# '

Default string: PROMPT='%m%# '

Right prompt showing the time: RPROMPT=%*

Right prompt showing the current working directory: RPROMPT=%d

Right prompt showing the collapsed user directory: RPROMPT=%~

Empty right prompt: RPROMPT=''

Listing the prompt colors

Function to show 256 colors in the foreground (%F/%f) and background (%K/%k). Adapted from the oh-my-zsh spectrum.zsh file.

function colors() {
  for color in {000..255}; do
    print -P "$color: %F{$color}████ Foreground %f%K{$color} Background %k"
  done
}

Note: the file colors.png provides an estimation of terminal colors. The actual colors displayed will vary slightly between applications.

Right prompt showing the remaining battery percentage, the date, and time: RPROMPT='$(battery_pct_prompt) @ %D %*'