Thread: help with a script

in big script of mine need execute following command:

code:

sudo efibootmgr --create --gpt --disk /dev/sda --part 1 --write-signature --label "grub" --loader "\\efi\\grub\\grub.efi"

using variables script. when executing code (here sample of section in script should do):

code:

#!/bin/bash  set -x -e  grub2_uefi_name="grub"  efisys_part_device="$(grub-probe --target=device /boot/efi/efi/grub/grub.efi)"  efisys_parent_device=${efisys_part_device:0:8}  efisys_part_num=${efisys_part_device:8:1}  sudo efibootmgr --create --gpt --disk ${efisys_parent_device} --part ${efisys_part_num} --write-signature --label ${grub2_uefi_name} --loader "\\efi\\${grub2_uefi_name}\\${grub2_uefi_name}.efi"

will execute efibootmgr this:

code:

sudo efibootmgr --create --gpt --disk /dev/sda --part 1 --write-signature --label grub --loader '\efi\grub\grub.efi'

but need here:

code:

sudo efibootmgr --create --gpt --disk /dev/sda --part 1 --write-signature --label grub --loader '\efi\grub\grub.efi'

it have brackets before , after grub.
, here

code:

sudo efibootmgr --create --gpt --disk /dev/sda --part 1 --write-signature --label grub --loader '\efi\grub\grub.efi'

it like: (with brackets , 2 slashes).

code:

"\\efi\\grub\\grub.efi"

i tried many variations don't know how should execute in script described.

try add 2 more backslashes, , pair of escaped double-quotes:

code:

sudo efibootmgr --create --gpt --disk ${efisys_parent_device} --part ...  --loader "\"\\\\efi\\\\${grub2_uefi_name}\\\\${grub2_uefi_name}.efi\""

code:

$ grub2_uefi_name="grub" $ set -x $ echo "\"\\\\efi\\\\${grub2_uefi_name}\\\\${grub2_uefi_name}.efi\"" + echo '"\\efi\\grub\\grub.efi"' "\\efi\\grub\\grub.efi" $

Forum The Ubuntu Forum Community Ubuntu Official Flavours Support General Help [ubuntu] help with a script

Ubuntu