Added device sizes, better table layout

bdmap

@@ -21,9 +21,23 @@ OUTPUT="$(echo "${OUTPUT}" | sed 's/ -> / /g')"
 # SWAP COLUMNS
 OUTPUT="$(echo "${OUTPUT}" | awk '{t=$1; $1=$2; $2=t; print;}')"
 
-# NOW GET DEVICE IDs
+# NOW GET DEVICE IDs and SIZES
 
 echo "${OUTPUT}" | while read -r LOCATION BLOCKDEV; do
   DEVICE_ID="$(ls -l --color=never /dev/disk/by-id | sed 's/  \+/ /g' | grep -v 'nvme-eui\|wwn-' | grep "${BLOCKDEV}$" | cut -d\  -f9)"
-  echo "${LOCATION}	${BLOCKDEV}	${DEVICE_ID}"
+  DEV_BYTES="$(lsblk -bnPo NAME,SIZE | grep "\"${BLOCKDEV}\"" | cut -d\" -f 4)"
+  if [ "${DEV_BYTES}" -ge $((1000**5)) ]; then
+    DEVICE_SZ="$((DEV_BYTES/1000**5))P"
+  elif [ "${DEV_BYTES}" -ge $((1000**4)) ]; then
+    DEVICE_SZ="$((DEV_BYTES/1000**4))T"
+  elif [ "${DEV_BYTES}" -ge $((1000**3)) ]; then
+    DEVICE_SZ="$((DEV_BYTES/1000**3))G"
+  elif [ "${DEV_BYTES}" -ge $((1000**2)) ]; then
+    DEVICE_SZ="$((DEV_BYTES/1000**2))M"
+  elif [ "${DEV_BYTES}" -ge 1000 ]; then
+    DEVICE_SZ="$((DEV_BYTES/1000))K"
+  else
+    DEVICE_SZ="${DEV_BYTES}B"
+  fi
+  printf '%-20s %-9s %4s   %s\n' "${LOCATION}" "${BLOCKDEV}" "${DEVICE_SZ}" "${DEVICE_ID}"
 done