35-diskspace

#!/data/data/com.termux/files/usr/bin/bash

# config
max_usage=90
bar_width=$(($(($(stty size|awk '{print $2}')))-6))
# colors
white="\e[39m"
green="\e[1;32m"
red="\e[1;31m"
dim="\e[2m"
undim="\e[0m"
BOLD='\033[1m'
NC='\033[0m'

# disk usage: ignore zfs, squashfs & tmpfs
mapfile -t dfs < <(df -H -t sdcardfs -t fuse -t fuse.rclone | tail -n+2)
printf "\n${BOLD}Disk Usage:${NC}\n"

for line in "${dfs[@]}"; do
    # get disk usage
    usage=$(echo "$line" | awk '{print $5}' | sed 's/%//')
    used_width=$((($usage*$bar_width)/100))
    # color is green if usage < max_usage, else red
    if [ "${usage}" -ge "${max_usage}" ]; then
        color=$red
    else
        color=$green
    fi
    # print green/red bar until used_width
    bar="[${color}"
    for ((i=0; i<$used_width; i++)); do
        bar+="#"
    done
    # print dimmmed bar until end
    bar+="${white}${dim}"
    for ((i=$used_width; i<$bar_width; i++)); do
        bar+="-"
    done
    bar+="${undim}]"
    # print usage line & bar
    echo "${line}" | awk '{ printf("%-31s%+3s used out of %+4s\n", $6, $3, $2); }' | sed -e 's/^/  /'
    echo -e "${bar}" | sed -e 's/^/  /'
done