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#!/usr/bin/env bash
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sectors_to_size() {
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SIZE=$(( ${1} * 512 ))
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MAG=0
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until [ $(awk "BEGIN { print ${SIZE} < 1000 }") -eq 1 ]; do
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SIZE=$(awk "BEGIN { print ${SIZE} / 1024 }" )
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((MAG++))
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done
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case ${MAG} in
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0) TAG="" ;;
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1) TAG="Ki" ;;
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2) TAG="Mi" ;;
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3) TAG="Gi" ;;
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4) TAG="Ti" ;;
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esac
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printf "%.4g%s\n" "${SIZE}" "${TAG}B"
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}
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[ $EUID -gt 0 ] && echo "Must run as superuser." && exit 1
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for DEVICE in $(fdisk -l | grep '^Disk /' | grep -v '/dev/ram' | cut -d\ -f2 | cut -d: -f1); do
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FDISKDATA="$(fdisk -l "${DEVICE}")"
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COLS="$(tput cols)"
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SECTORS="$(echo "${FDISKDATA}" | grep sectors | grep -v 'sectors of' | rev | cut -d\ -f2 | rev)"
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#PARTLIST="$(echo "${FDISKDATA}" | grep '^/' | sed 's/ */ /g' | cut -d\ -f1-3)"
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PARTLIST="$(echo "${FDISKDATA}" | grep '^/' | grep -v 'Extended$' | sed -e 's/*/ /' -e 's/ \+/ /g' | cut -d\ -f1-3)"
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PARTITIONS=()
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SIZE_LOG=0
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PARTSECTS=()
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PARTSIZES=()
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SIZETOTAL=0
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PRINTCOLS=0
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PCOLS=()
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if [ -z "${PARTLIST}" ]; then
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PARTITIONS=${DEVICE}
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SIZE_LOG=1
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PARTSECTS=${SECTORS}
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PARTSIZES=1
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SIZETOTAL=1
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else
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LASTEND=0
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while read -r PARTITION PARTSTART PARTEND; do
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if [ ${PARTSTART} -gt $(( ${LASTEND} + 2049 )) ]; then
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PARTITIONS+=( "Gap" )
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SIZE_LOG=( $(awk "BEGIN { print log( ${PARTSTART} - ${LASTEND} ) / log( ${SECTORS} ) }") )
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PARTSECTS+=( $(awk "BEGIN { print ${PARTSTART} - ${LASTEND} }") )
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PARTSIZES+=( ${SIZE_LOG} )
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SIZETOTAL=$(awk "BEGIN { print ${SIZETOTAL} + ${SIZE_LOG} }")
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fi
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PARTITIONS+=( ${PARTITION} )
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SIZE_LOG=( $(awk "BEGIN { print log( ${PARTEND} - ${PARTSTART} + 1 ) / log( ${SECTORS} ) }") )
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PARTSECTS+=( $(awk "BEGIN { print ${PARTEND} - ${PARTSTART} + 1 }") )
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PARTSIZES+=( ${SIZE_LOG} )
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SIZETOTAL=$(awk "BEGIN { print ${SIZETOTAL} + ${SIZE_LOG} }")
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LASTEND=${PARTEND}
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done <<< "${PARTLIST}"
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fi
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FACTOR=$(awk "BEGIN { print ( ${COLS} - ${#PARTITIONS[@]} - 1 ) / ${SIZETOTAL} }")
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for (( LCV = 0; LCV < ${#PARTITIONS[@]}; LCV++ )); do
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PRINTCOLS=$(( ${PRINTCOLS} + $(awk "BEGIN { print int ( ${PARTSIZES[${LCV}]} * ${FACTOR} + 0.5 ) }") ))
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PCOLS+=( $(awk "BEGIN { print int ( ${PARTSIZES[${LCV}]} * ${FACTOR} + 0.5 ) }") )
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done
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OVERFLOW=$(( ${PRINTCOLS} + ${LCV} + 1 - ${COLS} ))
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####### TOP LINE #######
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printf "%s" "┌"
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for (( LCV = 0; LCV < ${#PARTITIONS[@]}; LCV++ )); do
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[ ${LCV} = $(( ${#PARTITIONS[@]} - 1 )) ] && (( PCOLS[${LCV}]-=${OVERFLOW} ))
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printf '─%.0s' $(seq 1 ${PCOLS[${LCV}]})
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[ ${LCV} -lt $(( ${#PARTITIONS[@]} - 1 )) ] && echo -n "┬"
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done
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printf "%s\n" "┐"
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##### DEVICE NAME ######
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printf "%s" "│"
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for (( LCV = 0; LCV < ${#PARTITIONS[@]}; LCV++ )); do
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OUTPUT=${PARTITIONS[${LCV}]##*/}
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PADL=( $(( ( ${PCOLS[${LCV}]} - ${#OUTPUT} ) / 2 )) )
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PADR=( $(( ${PCOLS[${LCV}]} - ${#OUTPUT} - ${PADL} )) )
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printf '%*s%s%*s' ${PADL} "" ${OUTPUT} ${PADR} ""
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[ ${LCV} -lt $(( ${#PARTITIONS[@]} - 1 )) ] && echo -n "│"
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done
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printf "%s\n" "│"
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#### PARTITION SIZE ####
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printf "%s" "│"
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for (( LCV = 0; LCV < ${#PARTITIONS[@]}; LCV++ )); do
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OUTPUT=$(sectors_to_size "${PARTSECTS[${LCV}]}")
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PADL=( $(( ( ${PCOLS[${LCV}]} - ${#OUTPUT} ) / 2 )) )
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PADR=( $(( ${PCOLS[${LCV}]} - ${#OUTPUT} - ${PADL} )) )
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printf '%*s%s%*s' ${PADL} "" ${OUTPUT} ${PADR} ""
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[ ${LCV} -lt $(( ${#PARTITIONS[@]} - 1 )) ] && echo -n "│"
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done
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printf "%s\n" "│"
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#### PARTITION TYPE ####
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printf "%s" "│"
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for (( LCV = 0; LCV < ${#PARTITIONS[@]}; LCV++ )); do
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OUTPUT=$(blkid -o export "${PARTITIONS[${LCV}]}" | grep '^\(TYPE=\)' | cut -d= -f2 | sed 's:linux_raid_member:raid:g;s:zfs_member:zfs:g')
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PADL=$(( ( ${PCOLS[${LCV}]} - ${#OUTPUT} ) / 2 ))
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PADR=$(( ${PCOLS[${LCV}]} - ${#OUTPUT} - ${PADL} ))
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printf '%*s%s%*s' ${PADL} "" "${OUTPUT}" ${PADR} ""
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[ ${LCV} -lt $(( ${#PARTITIONS[@]} - 1 )) ] && echo -n "│"
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done
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printf "%s\n" "│"
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### FILESYSTEM LABEL ###
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printf "%s" "│"
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for (( LCV = 0; LCV < ${#PARTITIONS[@]}; LCV++ )); do
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OUTPUT=$(blkid -o export "${PARTITIONS[${LCV}]}" | grep '^\(LABEL=\)' | cut -d= -f2)
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PADL=$(( ( ${PCOLS[${LCV}]} - ${#OUTPUT} ) / 2 ))
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PADR=$(( ${PCOLS[${LCV}]} - ${#OUTPUT} - ${PADL} ))
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printf '%*s%s%*s' ${PADL} "" "${OUTPUT}" ${PADR} ""
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[ ${LCV} -lt $(( ${#PARTITIONS[@]} - 1 )) ] && echo -n "│"
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done
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printf "%s\n" "│"
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##### BOTTOM LINE ######
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echo -n "└"
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for (( LCV = 0; LCV < ${#PARTITIONS[@]}; LCV++ )); do
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printf '─%.0s' $(seq 1 ${PCOLS[${LCV}]})
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[ ${LCV} -lt $(( ${#PARTITIONS[@]} - 1 )) ] && echo -n "┴"
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done
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echo "┘"
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done
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