.bashrc

#!/bin/bash
# ~/.bashrc: executed by bash(1) for non-login shells.
 
# You may uncomment the following lines if you want `ls' to be colorized:
export LS_OPTIONS='--color=auto'
eval "`dircolors`"
alias ls='ls $LS_OPTIONS'
alias ll='ls $LS_OPTIONS -lah'

# check the window size after each command and, if necessary,
# update the values of LINES and COLUMNS.
shopt -s checkwinsize

# Some more alias to avoid making mistakes:
alias rm='rm -i'
alias cp='cp -i'
alias mv='mv -i'

# Color/bold defs
grey='\[\033[1;30m\]'
red='\[\033[0;31m\]'
RED='\[\033[1;31m\]'
green='\[\033[0;32m\]'
GREEN='\[\033[1;32m\]'
yellow='\[\033[0;33m\]'
YELLOW='\[\033[1;33m\]'
purple='\[\033[0;35m\]'
PURPLE='\[\033[1;35m\]'
white='\[\033[0;37m\]'
WHITE='\[\033[1;37m\]'
blue='\[\033[0;34m\]'
BLUE='\[\033[1;34m\]'
cyan='\[\033[0;36m\]'
CYAN='\[\033[1;36m\]'
NC='\[\033[0m\]'

#color prompt
#PS1="$grey[$cyan\t$grey][$RED\H$grey][$GREEN\w$grey$grey]$NC# "
#[user][hostname][directory]#
#PS1="$grey[$cyan\u$grey][$RED\H$grey][$GREEN\w$grey$grey]$NC# "

#add date n timestamp
export HISTTIMEFORMAT='%F, %T '

#set history filesize to 100k lines
HISTFILESIZE=100000

#set param to write cmds to hist as they are executed (instead of end of session)
PROMPT_COMMAND='history -a'

# below copied from https://gist.github.com/zachbrowne/8bc414c9f30192067831fafebd14255c

# Color for manpages in less makes manpages a little easier to read
export LESS_TERMCAP_mb=$'\E[01;31m'
export LESS_TERMCAP_md=$'\E[01;31m'
export LESS_TERMCAP_me=$'\E[0m'
export LESS_TERMCAP_se=$'\E[0m'
export LESS_TERMCAP_so=$'\E[01;44;33m'
export LESS_TERMCAP_ue=$'\E[0m'
export LESS_TERMCAP_us=$'\E[01;32m'

#######################################################
# Set the ultimate amazing command prompt
#######################################################

alias cpu="grep 'cpu ' /proc/stat | awk '{usage=(\$2+\$4)*100/(\$2+\$4+\$5)} END {print usage}' | awk '{printf(\"%.1f\n\", \$1)}'"
function __setprompt
{
	local LAST_COMMAND=$? # Must come first!

	# Define colors
	local LIGHTGRAY="\033[0;37m"
	local WHITE="\033[1;37m"
	local BLACK="\033[0;30m"
	local DARKGRAY="\033[1;30m"
	local RED="\033[0;31m"
	local LIGHTRED="\033[1;31m"
	local GREEN="\033[0;32m"
	local LIGHTGREEN="\033[1;32m"
	local BROWN="\033[0;33m"
	local YELLOW="\033[1;33m"
	local BLUE="\033[0;34m"
	local LIGHTBLUE="\033[1;34m"
	local MAGENTA="\033[0;35m"
	local LIGHTMAGENTA="\033[1;35m"
	local CYAN="\033[0;36m"
	local LIGHTCYAN="\033[1;36m"
	local NOCOLOR="\033[0m"

	# Show error exit code if there is one
	if [[ $LAST_COMMAND != 0 ]]; then
		# PS1="\[${RED}\](\[${LIGHTRED}\]ERROR\[${RED}\])-(\[${LIGHTRED}\]Exit Code \[${WHITE}\]${LAST_COMMAND}\[${RED}\])-(\[${LIGHTRED}\]"
		PS1="\[${DARKGRAY}\](\[${LIGHTRED}\]ERROR\[${DARKGRAY}\])-(\[${RED}\]Exit Code \[${LIGHTRED}\]${LAST_COMMAND}\[${DARKGRAY}\])-(\[${RED}\]"
		if [[ $LAST_COMMAND == 1 ]]; then
			PS1+="General error"
		elif [ $LAST_COMMAND == 2 ]; then
			PS1+="Missing keyword, command, or permission problem"
		elif [ $LAST_COMMAND == 126 ]; then
			PS1+="Permission problem or command is not an executable"
		elif [ $LAST_COMMAND == 127 ]; then
			PS1+="Command not found"
		elif [ $LAST_COMMAND == 128 ]; then
			PS1+="Invalid argument to exit"
		elif [ $LAST_COMMAND == 129 ]; then
			PS1+="Fatal error signal 1"
		elif [ $LAST_COMMAND == 130 ]; then
			PS1+="Script terminated by Control-C"
		elif [ $LAST_COMMAND == 131 ]; then
			PS1+="Fatal error signal 3"
		elif [ $LAST_COMMAND == 132 ]; then
			PS1+="Fatal error signal 4"
		elif [ $LAST_COMMAND == 133 ]; then
			PS1+="Fatal error signal 5"
		elif [ $LAST_COMMAND == 134 ]; then
			PS1+="Fatal error signal 6"
		elif [ $LAST_COMMAND == 135 ]; then
			PS1+="Fatal error signal 7"
		elif [ $LAST_COMMAND == 136 ]; then
			PS1+="Fatal error signal 8"
		elif [ $LAST_COMMAND == 137 ]; then
			PS1+="Fatal error signal 9"
		elif [ $LAST_COMMAND -gt 255 ]; then
			PS1+="Exit status out of range"
		else
			PS1+="Unknown error code"
		fi
		PS1+="\[${DARKGRAY}\])\[${NOCOLOR}\]\n"
	else
		PS1=""
	fi

	# Date
	PS1+="\[${DARKGRAY}\](\[${CYAN}\]\$(date +%a) $(date +%b-'%-m')" # Date
	PS1+="${BLUE} $(date +'%-I':%M:%S%P)\[${DARKGRAY}\])-" # Time

	# CPU
	PS1+="(\[${MAGENTA}\]CPU $(cpu)%"

	#get IPs
	iplist=$(ip -o -4 addr show | awk '$2!="lo" {print$2":"$4}' | tr '\n' ' ')
	ip=${iplist%?}
	lan='%F{grey}'$ip'%F{grey}'

	# ips
	PS1+="\[${DARKGRAY}\]:\[${MAGENTA}\]$(lan)"

	# Network Connections (for a server - comment out for non-server)
	PS1+="\[${DARKGRAY}\]:\[${MAGENTA}\]Net $(awk 'END {print NR}' /proc/net/tcp)"

	PS1+="\[${DARKGRAY}\])\n"

	# User and server
	#local SSH_IP=`echo $SSH_CLIENT | awk '{ print $1 }'`
	#local SSH2_IP=`echo $SSH2_CLIENT | awk '{ print $1 }'`
	#if [ $SSH2_IP ] || [ $SSH_IP ] ; then
	#	PS1+="(\[${RED}\]\u@\h"
	#else
	#	PS1+="(\[${RED}\]\u"
	#fi
	
	#added PL (always print hostname)
	PS1+="(\[${RED}\]\u@\h"
	# Current directory
	PS1+="\[${DARKGRAY}\]:\[${BROWN}\]\w\[${DARKGRAY}\])-"

	# Total size of files in current directory
	PS1+="(\[${GREEN}\]$(/bin/ls -lah | /bin/grep -m 1 total | /bin/sed 's/total //')\[${DARKGRAY}\]:"

	# Number of files
	PS1+="\[${GREEN}\]\$(/bin/ls -A -1 | /usr/bin/wc -l)\[${DARKGRAY}\])"

	# Skip to the next line
	PS1+="\n"

	if [[ $EUID -ne 0 ]]; then
		PS1+="\[${GREEN}\]>\[${NOCOLOR}\] " # Normal user
	else
		PS1+="\[${RED}\]>\[${NOCOLOR}\] " # Root user
	fi

	# PS2 is used to continue a command using the \ character
	PS2="\[${DARKGRAY}\]>\[${NOCOLOR}\] "

	# PS3 is used to enter a number choice in a script
	PS3='Please enter a number from above list: '

	# PS4 is used for tracing a script in debug mode
	PS4='\[${DARKGRAY}\]+\[${NOCOLOR}\] '
}
PROMPT_COMMAND='__setprompt'