Creating a Windows 10 USB Installer using macOS in 2020 - How to Make a Windows 10 USB Using Your Mac - Build a Bootable ISO From Your Mac's Terminal

createWindows10USBinstallerOnMac.sh

#!/usr/bin/env bash
set -u
WIN_VOLUME=
DRIVE_NAME=
echo "
                 _.-;;-._
          '-..-'|   ||   |
          '-..-'|_.-;;-._|
          '-..-'|   ||   |
    jgs   '-..-'|_.-''-._|"
printf "\n"
printf " Create a Windows 10 USB Installer\n"
printf " using macOS              \n"
printf "===================================\n"
printf "(source: https://evanshortiss.com/create-a-windows-install-usb-via-macos)\n"
printf "\n"
sleep 3
if [ -z $(command -v wimlib-imagex) ]; then printf "Please run command brew install wimlib\n"; exit 0; fi
while [ -z $WIN_VOLUME ]; do
  read -rp "What's name of the USB Drive Volume? " READ_TMP
  if [ ! -d "/Volumes/$READ_TMP" ]; then printf "Drive not found\n"; else
     WIN_VOLUME="$READ_TMP"
  fi
done
while [ -z $DRIVE_NAME ]; do
  read -rp "What's name of the image ISO Volume? " READ_TMP
  if [ ! -d "/Volumes/$READ_TMP" ]; then printf "Drive not found\n"; else
    DRIVE_NAME="$READ_TMP"
  fi
done
printf "Now copying from %s to /Volumes/%s...\n" $WIN_VOLUME $DRIVE_NAME
sleep 2
#rsync -vha --exclude=sources/install.wim "/Volumes/$WIN_VOLUME"/* "/Volumes/$DRIVE_NAME"
printf "Adding install.wim...\n"
sleep 2
# FIXME wimlib failed but that's incompatible with FAT32 storage format
if [ ! $(wimlib-imagex split "/Volumes/$WIN_VOLUME/sources/install.wim" "/Volumes/$DRIVE_NAME/sources/install.swm" 4000) ]; then
  rsync -vha "/Volumes/$WIN_VOLUME/sources/install.wim" "/Volumes/$DRIVE_NAME/sources/install.wim"
fi