Porteus

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menuentry "Porteus 3.2.2 - installed" --class slackware   --class icon-porteus  {
     echo "Boot disk address is: "$root
     echo "Prefix is:            "$prefix
     echo "The boot mode is:     "$grub2win_bootmode

     search -f /boot/syslinux/vmlinuz --set=root

     echo "Porteus root is:      "$root
     echo "ISO is:               n/a"
     echo "Porteus folders:      /"

     set porteus_parms="extramod=/Modules;/Modsavedat changes=EXIT:/porteus/porteussave.dat volume=33 reboot=cold"  # acpi=off"

     echo "Porteus parms are:    "$porteus_parms
     echo
     sleep -v -i 5

     linux /boot/syslinux/vmlinuz $porteus_parms
     initrd /boot/syslinux/initrd.xz
     echo "Booting Porteus"
}

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elif [ $ISO ]; then CFGDEV=/mnt/isoloop
    locate -e $FROM && { BOOTDEV=/mnt/$DEV; mkdir /mnt/isoloop; mount -o loop /mnt/$DEV/$LPTH /mnt/isoloop; ISOSRC=/mnt/$DEV/$LPTH; }
else
    if [ $FROM ]; then
	locate -e $FROM/porteus/$CFG
	if [ $? -eq 0 ]; then
	    DIR=`echo $LPTH | rev | cut -d/ -f3- | rev`; [ $DIR ] && FOLDER=$DIR/porteus
	else
	    echo -e "${YELLOW}from= cheatcode is incorrect, press enter to search through all devices${RST}"
	    read -s; search -e porteus/$CFG
	fi
    else
	search -e porteus/$CFG || lazy -e porteus/$CFG
    fi
    CFGDEV=/mnt/$DEV
fi

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else
    if [ "$EXTRAMOD" ]; then
	for folder in $EXTRAMOD; do
	    echo $i"searching for additional modules in $folder"
	    locate -d $folder && { find /mnt/$DEV/$LPTH -name "*.xzm" 2>/dev/null | egrep -ve "$NOLOAD" | sort >>/tmp/modules; } || fail $folder
	done
    fi
fi

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sgnfile=some_name.sgn

... This cheatcode specifies the *.sgn file which Porteus will
search for. This is useful when you want to store several
Porteus editions on one disk/disc.
Example: 'sgnfile=porteus-usb.sgn'

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    if [ $FROM ]; then
	locate -e $FROM/$PORTEUS/$CFG
	if [ $? -eq 0 ]; then
	    DIR=`echo $LPTH | rev | cut -d/ -f3- | rev`; [ $DIR ] && FOLDER=$DIR/$PORTEUS
	else
	    echo -e "${YELLOW}from= cheatcode is incorrect, press enter to search through all devices${RST}"
	    read -s; search -e $PORTEUS/$CFG
	fi
    else
	search -e $PORTEUS/$CFG || lazy -e $PORTEUS/$CFG
    fi
    CFGDEV=/mnt/$DEV

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menuentry " Porteus 4.0 USB - EFI" --class slackware   --class icon-porteus  {

     set bootmgr=/EFI/boot/bootx64.efi

     set bootdrv=$root
     search -f $bootmgr --set=root
     if [ $root != $bootdrv ]; then
        chainloader $bootmgr
     else
        echo "----------------------------------------"
        echo USB drive NOT found.
        echo
        sleep -v -i 10
     fi
     set root=$bootdrv
     }