custom_neofetch.sh

#!/usr/bin/env bash

# A custom Linux compatible neofetch/rxfetch script created by Skyascii (https://github.com/savioxavier)
# This is a modified version of the script found in https://github.com/mayTermux/rxfetch-termux
# Based on the original rxfetch script: https://github.com/Mangeshrex/rxfetch
# Additional thanks to mayTermux and Mangeshrex for the inspiration

magenta="\033[1;35m"
green="\033[1;32m"
white="\033[1;37m"
blue="\033[1;34m"
red="\033[1;31m"
black="\033[1;40;30m"
yellow="\033[1;33m"
cyan="\033[1;36m"
reset="\033[0m"
bgyellow="\033[1;43;33m"
bgwhite="\033[1;47;37m"
c0=${reset}
c1=${magenta}
c2=${green}
c3=${white}
c4=${blue}
c5=${red}
c6=${yellow}
c7=${cyan}
c8=${black}
c9=${bgyellow}
c10=${bgwhite}

function getUser() {
  if [ "$(whoami)" = "root" ]; then
    user="root"
  else
    user="$(whoami)"
  fi
}

function getHostname() {
  if [ "$(whoami)" = "root" ]; then
    hostname="$(hostname)"
  else
    hostname="$(hostname)"
  fi
}

function displayLine() {
  length=$((${#user} + ${#hostname} + 1)) # Length of the user + hostname
  printf "%${length}s" | tr " " "-" # Print a line of dashes
}

function getDistro() {
  os="$(uname -o) $(uname -m)"
}

function getKernel() {
  kernel="$(uname -r)"
}

function getTotalPackages() {
  package_manager="$(which {apt,dpkg} 2>/dev/null | grep -v "not found" | awk -F/ 'NR==1{print $NF}')"
  case "${package_manager}" in
    "apt" )
      packages=$(apt list --installed 2>/dev/null | wc -l)
    ;;
    
    "dpkg" )
      packages=$(dpkg-query -l | wc -l)
    ;;
    
    "" )
      packages="Unknown"
    ;;
  esac
}

function getCPU() {
  _PROCESSOR_NAME=$(cat /proc/cpuinfo | grep "model name" | awk -F: '{print $2}' | head -n 1)
  _PROCESSOR_COUNT=$(cat /proc/cpuinfo | grep "processor" | wc -l)

  # Removes first space in _PROCESSOR_NAME
  _PROCESSOR_NAME="${_PROCESSOR_NAME# }"

  cpu="${_PROCESSOR_NAME} - ${_PROCESSOR_COUNT} cores"
}

function getShell() {
  shell="$(basename $SHELL)"
}

function getUptime() {
  uptime="$(uptime --pretty | sed 's/up//')"
}

function getMemoryUsage() {
  #memory="$(free --mega | sed -n -E '2s/^[^0-9]*([0-9]+) *([0-9]+).*/'"${space}"'\2 \/ \1MB/p')"
  _MEM="Mem:"
  _GREP_ONE_ROW="$(free --mega | grep "${_MEM}")"
  _TOTAL="$(echo ${_GREP_ONE_ROW} | awk '{print $2}')"
  _USED="$(echo ${_GREP_ONE_ROW} | awk '{print $3}')"

  memory="${_USED}MB / ${_TOTAL}MB"
}

function getDE() {
  if [ -n "${XDG_CURRENT_DESKTOP}" ]; then
    de="${XDG_CURRENT_DESKTOP}"
  elif [ -n "${DESKTOP_SESSION}" ]; then
    de="${DESKTOP_SESSION}"
  elif [ -n "${DESKTOP_ENV}" ]; then
    de="${DESKTOP_ENV}"
  elif [ -n "${DE}" ]; then
    de="${DE}"
  else
    de="Unknown"
  fi
}


# Get root partition space used
function getStorageInfo() {
	df -h --output=used,size / | awk 'NR == 2 { print $1" / "$2 }'
}

function main() {
  getUser
  getHostname
  getDistro
  getKernel
  getTotalPackages
  getCPU
  getShell
  getUptime
  getMemoryUsage
  getDE
  # getStorageInfo - Used as a function
}

main

echo -e "\n\n"
echo -e "  ┏━━━━━━━━━━━━━━━━━━━━━━┓"
echo -e "  ┃ ${c2}neo${c4}fetch${c0}     ${c5}${c0}  ${c6}${c0}  ${c7}${c0} ┃  ${c7}${user}${c5}@${c2}${hostname}${c0}"
echo -e "  ┠━━━━━━━━━━━━━━━━━━━━━━┫  ${c2}$(displayLine)${c0}"
echo -e "  ┃                      ┃"
echo -e "  ┃          ${c3}•${c8}_${c3}•${c0}         ┃  ${c2}os${c0}     ${os}"
echo -e "  ┃          ${c8}${c0}${c9}oo${c0}${c8}|${c0}         ┃  ${c7}ker${c0}    ${kernel}"
echo -e "  ┃          ${c8}${c0}${c9}${c0}${c8}|${c0}           ┃  ${c1}cpu${c0}    ${cpu}"
echo -e "  ┃         ${c8}/${c0}${c10} ${c0}${c8}'\'${c0}        ┃  ${c4}pkgs${c0}   ${packages}"
echo -e "  ┃        ${c9}(${c0}${c8}\_;/${c0}${c9})${c0}        ┃  ${c5}sh${c0}     ${shell}"
echo -e "  ┃                      ┃  ${c6}up${c0}    ${uptime}"
echo -e "  ┃      I ${c1}${c0}  Linux      ┃  ${c1}ram${c0}    ${memory}"
echo -e "  ┃                      ┃  ${c2}de${c0}     ${de}"
echo -e "  ┃                      ┃  ${c6}disk${c0}   $(getStorageInfo)"
echo -e "  ┗━━━━━━━━━━━━━━━━━━━━━━┛  ${c1}━━━${c2}━━━${c3}━━━${c4}━━━${c5}━━━${c6}━━━${c7}━━━"
echo -e "\n\n"

Here's what it looks like: