zshell configuration

Alex4386MBP.zshrc

# If you come from bash you might have to change your $PATH.
# export PATH=$HOME/bin:/usr/local/bin:$PATH

# Path to your oh-my-zsh installation.
export ZSH="/Users/alex4386/.oh-my-zsh"

# Set name of the theme to load --- if set to "random", it will
# load a random theme each time oh-my-zsh is loaded, in which case,
# to know which specific one was loaded, run: echo $RANDOM_THEME
# See https://github.com/robbyrussell/oh-my-zsh/wiki/Themes
POWERLEVEL9K_MODE='nerdfont-complete'
ZSH_THEME="powerlevel9k/powerlevel9k"

# Set list of themes to pick from when loading at random
# Setting this variable when ZSH_THEME=random will cause zsh to load
# a theme from this variable instead of looking in ~/.oh-my-zsh/themes/
# If set to an empty array, this variable will have no effect.
# ZSH_THEME_RANDOM_CANDIDATES=( "robbyrussell" "agnoster" )

# Uncomment the following line to use case-sensitive completion.
# CASE_SENSITIVE="true"

# Uncomment the following line to use hyphen-insensitive completion.
# Case-sensitive completion must be off. _ and - will be interchangeable.
# HYPHEN_INSENSITIVE="true"

# Uncomment the following line to disable bi-weekly auto-update checks.
# DISABLE_AUTO_UPDATE="true"

# Uncomment the following line to automatically update without prompting.
# DISABLE_UPDATE_PROMPT="true"

# Uncomment the following line to change how often to auto-update (in days).
# export UPDATE_ZSH_DAYS=13

# Uncomment the following line if pasting URLs and other text is messed up.
# DISABLE_MAGIC_FUNCTIONS=true

# Uncomment the following line to disable colors in ls.
# DISABLE_LS_COLORS="true"

# Uncomment the following line to disable auto-setting terminal title.
# DISABLE_AUTO_TITLE="true"

# Uncomment the following line to enable command auto-correction.
# ENABLE_CORRECTION="true"

# Uncomment the following line to display red dots whilst waiting for completion.
# COMPLETION_WAITING_DOTS="true"

# Uncomment the following line if you want to disable marking untracked files
# under VCS as dirty. This makes repository status check for large repositories
# much, much faster.
# DISABLE_UNTRACKED_FILES_DIRTY="true"

# Uncomment the following line if you want to change the command execution time
# stamp shown in the history command output.
# You can set one of the optional three formats:
# "mm/dd/yyyy"|"dd.mm.yyyy"|"yyyy-mm-dd"
# or set a custom format using the strftime function format specifications,
# see 'man strftime' for details.
# HIST_STAMPS="mm/dd/yyyy"

# Would you like to use another custom folder than $ZSH/custom?
# ZSH_CUSTOM=/path/to/new-custom-folder

# Which plugins would you like to load?
# Standard plugins can be found in ~/.oh-my-zsh/plugins/*
# Custom plugins may be added to ~/.oh-my-zsh/custom/plugins/
# Example format: plugins=(rails git textmate ruby lighthouse)
# Add wisely, as too many plugins slow down shell startup.
plugins=(git)

source $ZSH/oh-my-zsh.sh

# User configuration

# export MANPATH="/usr/local/man:$MANPATH"

# You may need to manually set your language environment
# export LANG=en_US.UTF-8

# Preferred editor for local and remote sessions
# if [[ -n $SSH_CONNECTION ]]; then
#   export EDITOR='vim'
# else
#   export EDITOR='mvim'
# fi

# Compilation flags
# export ARCHFLAGS="-arch x86_64"

# Set personal aliases, overriding those provided by oh-my-zsh libs,
# plugins, and themes. Aliases can be placed here, though oh-my-zsh
# users are encouraged to define aliases within the ZSH_CUSTOM folder.
# For a full list of active aliases, run `alias`.
#
# Example aliases
# alias zshconfig="mate ~/.zshrc"
# alias ohmyzsh="mate ~/.oh-my-zsh"

## PowerLevel9K Setup
POWERLEVEL9K_PROMPT_ON_NEWLINE=false
POWERLEVEL9K_RPROMPT_ON_NEWLINE=true

POWERLEVEL9K_PROMPT_ADD_NEWLINE=true

POWERLEVEL9K_MULTILINE_FIRST_PROMPT_PREFIX=""
POWERLEVEL9K_MULTILINE_LAST_PROMPT_PREFIX=""

#POWERLEVEL9K_MULTILINE_FIRST_PROMPT_PREFIX="↱"
#POWERLEVEL9K_MULTILINE_LAST_PROMPT_PREFIX="↳ "

zsh_internet_signal(){
  #source on quality levels - http://www.wireless-nets.com/resources/tutorials/define_SNR_values.html
  #source on signal levels  - http://www.speedguide.net/faq/how-to-read-rssisignal-and-snrnoise-ratings-440
  local output=$(/System/Library/PrivateFrameworks/Apple80211.framework/Versions/A/Resources/airport -I)
  local signal=$(echo $output | grep agrCtlRSSI | awk '{print $2}' | sed 's/-//g')
  local noise=$(echo $output | grep agrCtlNoise | awk '{print $2}' | sed 's/-//g')
  local SNR=$(bc <<<"scale=2; $signal / $noise")

  local net=$(curl -D- -o /dev/null -s http://www.google.com | grep HTTP/1.1 | awk '{print $2}')
  local color='%F{yellow}'
  local symbol="\uf197"

  # Excellent Signal (5 bars)
  if [[ ! -z "${signal// }" ]] && [[ $SNR -gt .40 ]] ; 
    then color='%F{blue}' ; symbol="\uf1eb" ;
  fi

  # Good Signal (3-4 bars)
  if [[ ! -z "${signal// }" ]] && [[ ! $SNR -gt .40 ]] && [[ $SNR -gt .25 ]] ; 
    then color='%F{green}' ; symbol="\uf1eb" ;
  fi

  # Low Signal (2 bars)
  if [[ ! -z "${signal// }" ]] && [[ ! $SNR -gt .25 ]] && [[ $SNR -gt .15 ]] ; 
    then color='%F{yellow}' ; symbol="\uf1eb" ;
  fi

  # Very Low Signal (1 bar)
  if [[ ! -z "${signal// }" ]] && [[ ! $SNR -gt .15 ]] && [[ $SNR -gt .10 ]] ; 
    then color='%F{red}' ; symbol="\uf1eb" ;
  fi

  # No Signal - No Internet
  if [[ ! -z "${signal// }" ]] && [[ ! $SNR -gt .10 ]] ; 
    then color='%F{red}' ; symbol="\uf011";
  fi

  # Ethernet Connection (no wifi, hardline)
  if [[ -z "${signal// }" ]] ; 
    then color='%F{blue}' ; symbol="\uf197" ;
  fi

  local airport=$(echo $output | grep 'AirPort' | awk -F': ' '{print $2}')

  if [ "$airport" = "Off" ]; then
    local color='%F{black}'
    echo -n "%{$color%}Wifi Off"
  else
    local ssid=$(echo $output | grep ' SSID' | awk -F': ' '{print $2}')
    local speed=$(echo $output | grep 'lastTxRate' | awk -F': ' '{print $2}')
    local power=$(echo $output | grep 'agrCtlRSSI' | awk -F': ' '{print $2}')
    local color='%F{black}'
    [[ $speed -gt 100 ]] && color='%F{black}'
    [[ $speed -lt 50 ]] && color='%F{red}'
    echo -n "%{$color%}$ssid(${power}dBm): $speed Mbps%{%f%}" # removed char not in my PowerLine font
  fi
}

POWERLEVEL9K_CUSTOM_INTERNET_SIGNAL="zsh_internet_signal"
POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=( dir dir_writable vcs disk_usage newline ip load ram root_indicator newline os_icon user host virtualenv )
POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS=(status command_execution_time battery date time)

POWERLEVEL9K_DIR_HOME_BACKGROUND='deepskyblue1'
POWERLEVEL9K_DIR_HOME_SUBFOLDER_BACKGROUND='deepskyblue2'
POWERLEVEL9K_DIR_DEFAULT_BACKGROUND='white'
POWERLEVEL9K_DIR_ETC_BACKGROUND='grey'
POWERLEVEL9K_DIR_ETC_FOREGROUND='black'

POWERLEVEL9K_HOST_BACKGROUND='grey'
POWERLEVEL9K_SHOW_CHANGESET=true
POWERLEVEL9K_DATE_FORMAT='%D{%Y.%m.%d}'

POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
POWERLEVEL9K_SHORTEN_STRATEGY=truncate_middle

PRML_RAs_footer.zshrc

## This one is for PRML Lab Research Assistant Computer

## PowerLevel9K Setup
POWERLEVEL9K_PROMPT_ON_NEWLINE=false
POWERLEVEL9K_RPROMPT_ON_NEWLINE=true

POWERLEVEL9K_PROMPT_ADD_NEWLINE=true

POWERLEVEL9K_MULTILINE_FIRST_PROMPT_PREFIX=""
POWERLEVEL9K_MULTILINE_LAST_PROMPT_PREFIX=""

#POWERLEVEL9K_MULTILINE_FIRST_PROMPT_PREFIX="↱"
#POWERLEVEL9K_MULTILINE_LAST_PROMPT_PREFIX="↳ "

POWERLEVEL9K_CUSTOM_INTERNET_SIGNAL="zsh_internet_signal"
POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=( dir dir_writable vcs disk_usage newline ip load ram root_indicator newline os_icon user host virtualenv )
POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS=(status command_execution_time battery date time)

POWERLEVEL9K_DIR_HOME_BACKGROUND='deepskyblue1'
POWERLEVEL9K_DIR_HOME_SUBFOLDER_BACKGROUND='deepskyblue2'
POWERLEVEL9K_DIR_DEFAULT_BACKGROUND='white'
POWERLEVEL9K_DIR_ETC_BACKGROUND='grey'
POWERLEVEL9K_DIR_ETC_FOREGROUND='black'

POWERLEVEL9K_HOST_BACKGROUND='grey'
POWERLEVEL9K_SHOW_CHANGESET=true
POWERLEVEL9K_DATE_FORMAT='%D{%Y.%m.%d}'

POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
POWERLEVEL9K_SHORTEN_STRATEGY=truncate_middle

PRML_RAs_header.zshrc

# Set name of the theme to load --- if set to "random", it will
# load a random theme each time oh-my-zsh is loaded, in which case,
# to know which specific one was loaded, run: echo $RANDOM_THEME
# See https://github.com/robbyrussell/oh-my-zsh/wiki/Themes
POWERLEVEL9K_MODE='nerdfont-complete'
ZSH_THEME="powerlevel9k/powerlevel9k"