Mac OS X Terminal – Create Bootable OS X Installer

Need to create a thumb drive installer for Mac OS? This script will help you out

#!/bin/sh

#  MacOS_InstallUSB.sh
#  
#
#  Created by David Kittell on 4/7/17.
#

# Variables - Start

# Text Variables - Start
txtund=$(tput sgr 0 1)              # Underline
txtbld=$(tput bold)                 # Bold
txtbldund=${txtund}$(tput bold)     # Bold Underline
txtbldred=${txtbld}$(tput setaf 1)  # Bold Red
txtbldgreen=${txtbld}$(tput setaf 2)  # Bold Green
txtbldblu=${txtbld}$(tput setaf 4)  # Bold Blue
txtbldwht=${txtbld}$(tput setaf 7)  # Bold White
txtrst=$(tput sgr0)                 # Reset
# Text Variables - Stop

# Variables - Stop

clear

echo "${txtbld}Current Volumes:${txtrst}"
ls /Volumes | grep -v Recovery\ HD | grep -v MacSSD | grep -v Macintosh\ HD

echo "\n${txtbldund}Type the name of volume/drive you want to setup, followed by [ENTER]:${txtrst}"
read sVolume

echo "\n${txtbldred}We will now format ${sVolume}\nARE YOU SURE?, type y for Yes or n for No followed by [Enter]:${txtrst}"
read sConfirmation

case $sConfirmation in
[yY])
echo "\n${txtbldgreen}We will now format ${sVolume}${txtrst}"
# sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/${sVolume} --applicationpath /Applications/Install\ macOS\ Sierra.app --nointeraction
sudo /Applications/Install\ macOS\ Big\ Sur.app/Contents/Resources/createinstallmedia --volume /Volumes/${sVolume} --nointeraction
say "Mac OS Installation Drive Is Ready"
;;
*)
echo "\n${txtbldgreen}No changes have been made.${txtrst}"
;;
esac