# Optional wipe if [ "$WIPE" -eq 1 ]; then log "Wiping first 1MiB..." dd if=/dev/zero of="$DEVICE" bs=1M count=1 conv=fsync status=progress fi
if [ -z "$DEVICE" ] || [ -z "$FS" ]; then usage; exit 1; fi if [ ! -b "$DEVICE" ]; then echo "Device not found: $DEVICE"; exit 1; fi usb flash driver format tool ufixii repack hot
confirm() read -rp "$1 [y/N]: " ans [[ "$ans" =~ ^[Yy]$ ]] # Optional wipe if [ "$WIPE" -eq 1
usage() cat <<USAGE Usage: $0 --device /dev/sdX --fs FAT32 then echo "Device not found: $DEVICE"