lnx-arch/dots/bin/resources.sh

#!/usr/bin/env bash

# 26.03.06 :: klevstul


displayResources() {
    operation=$1
    extra_arg=$2

    if [[ "${operation}" == "memory" ]]; then
        echo /home/poq/.config/nwg-panel/icons/noun-memory-8286943.svg
        free -h | awk '/^Mem:/ {printf "%d/%d gb (%.1f%%)", $3, $2, $3*100/$2}'
    elif [[ "${operation}" == "cpu" ]]; then
        echo /home/poq/.config/nwg-panel/icons/microchip-solid-full.svg
        (grep 'cpu ' /proc/stat; sleep 0.1; grep 'cpu ' /proc/stat) | awk -v RS="" '{printf "%.1f%%", ($13-$2+$15-$4)*100/($13-$2+$15-$4+$16-$5)"%"}'
    elif [[ "${operation}" == "topmem" ]]; then
        # the process that consumes the most memory
        echo /home/poq/.config/nwg-panel/icons/noun-ram-8252148.svg
        ps -eo pid,%mem,cmd --sort=-%mem | head -n 2 | awk 'NR > 1 {
            pid = $1;
            mem_percent = $2;
            cmd_path = $3;
            gsub(/.*\//, "", cmd_path);
            {printf "%s: %s (%s%)", pid, cmd_path, mem_percent}
        }'
    elif [[ "${operation}" == "topcpu" ]]; then
        # the process that consumes the most cpu
        echo /home/poq/.config/nwg-panel/icons/noun-cpu-8293079.svg
        ps -eo pid,comm,%cpu --sort=-%cpu | head -n 2 | awk 'NR==2 {printf "%s: %s (%s%)", $1, $2, $3}'
    elif [[ "${operation}" == "drive" ]]; then
        # display used drive space
        main_drive=$(df / | awk 'NR==2 {print $1}' | sed 's/[0-9]*$//') # This gets the device mounted at /, removes partition numbers, and returns the disk (e.g., /dev/sda).
        extra_arg=${extra_arg:=${main_drive}}
        echo /home/poq/.config/nwg-panel/icons/noun-storage-5078021.svg
        df -h ${extra_arg} | awk 'NR==2 {printf "%s/%s (%s)\n", $3, $2, $5}'
    else
        echo ""
    fi
}

displayResources $1 $2