custom prompt

.bashrc

# ~/.bashrc

# prompt - Alex, 19.09.2022
# https://www.thegeekstuff.com/2008/09/bash-shell-ps1-10-examples-to-make-your-linux-prompt-like-angelina-jolie/
# \!  - history id
# \$? - RC of last command
# \u  - user
# \h  - hostname
# \w  - workdir
# \n  - new line
COLOR_BLACK="\e[0;30m"
COLOR_BLUE="\e[0;34m"
COLOR_GREEN="\e[0;32m"
COLOR_CYAN="\e[0;36m"
COLOR_RED="\e[0;31m"
COLOR_PURPLE="\e[0;35m"
COLOR_BROWN="\e[0;33m"
COLOR_END="\e[m"
export PS1="\n\!: (\$?) $COLOR_GREEN\u@\h$COLOR_END $COLOR_BLUE\w$COLOR_END \n> "

# https://unix.stackexchange.com/questions/31695/how-to-make-the-terminal-display-usermachine-in-bold-letters
#color () {
#  if [ -z "$1" -a -z "$2" -a -z "$3" ]; then
#    echo "\033[0m"
#    return
#  fi
#  case $1 in
#    black)   color_fg=30;;
#    red)     color_fg=31;;
#    green)   color_fg=32;;
#    yellow)  color_fg=33;;
#    blue)    color_fg=34;;
#    magenta|purple) color_fg=35;;
#    cyan)    color_fg=36;;
#    white)   color_fg=37;;
#    -)       color_fg='';;
#    *)       color_fg=39;;
#  esac
#  case $2 in
#    bold)      color_bd=1;;
#    italics)   color_bd=3;;
#    underline) color_bd=4;;
#    inverse)   color_bd=7;;
#    strike)    color_bd=9;;
#    nobold)      color_bd=22;;
#    noitalics)   color_bd=23;;
#    nounderline) color_bd=24;;
#    noinverse)   color_bd=27;;
#    nostrike)    color_bd=29;;
#    -)         color_bd='';;
#    *)         color_bd=0
#  esac
#  case $3 in
#    black)   color_bg=40;;
#    red)     color_bg=41;;
#    green)   color_bg=42;;
#    yellow)  color_bg=43;;
#    blue)    color_bg=44;;
#    magenta|purple) color_bg=45;;
#    cyan)    color_bg=46;;
#    white)   color_bg=47;;
#    -)       color_bg='';;
#    *)       color_bg=49;;
#  esac
#  s='\033['
#  if [ -n "$color_bd" ]; then
#    s="${s}${color_bd}"
#    if [ -n "$color_fg" -o -n "$color_bg" ]; then
#      s="${s};"
#    fi
#  fi
#  if [ -n "$color_fg" ]; then
#    s="${s}${color_fg}"
#    if [ -n "$color_bg" ]; then
#      s="${s};"
#    fi
#  fi
#  if [ -n "$color_bg" ]; then
#    s="${s}${color_bg}"
#  fi
#  s="${s}m"
#  echo "$s"
#  unset s color_bd color_bg color_fg
#}
#color_reset=`color`
#color_grbd=`color green bold`
#export PS1="\!: (\$?) ${color green}\u${color}@${color blue}\h${color} \w \n> "