disk-size-total

#!/bin/sh
set -euf -o pipefail

##
# Disk size of all listed drives
#
# The fdisk command is partition table manipulator for Linux.
# It can be used to display total hard disk size:
#
#     fdisk -l | grep Disk
#
# Sample outputs:
#
#     Disk /dev/hda: 20.0 GB, 20060651520 bytes
#     Disk /dev/hdb: 80.0 GB, 80060424192 bytes
#
# From http://www.cyberciti.biz/faq/howto-find-out-or-learn-harddisk-size-in-linux-or-unix/
#
# Contact: Joel Parker Henderson (joel@joelparkerhenderson.com)
# License: GPL
# Updated: 2015-01-25
##

fdisk -l | grep "Disk /"