quickpassthrough/old_bash_version/lib/get_GPU.sh

#!/bin/bash

function get_GPU () {
    clear
    printf "These are your graphic cards, they have to be in separate groups.
The graphic card you want to passthrough cannot be in a group with other devices that
does not belong to itself. Both cards must also have unique hardware ids [xxxx:yyyy]!:

"
    echo "#------------------------------------------#"
    "$SCRIPTDIR/utils/ls-iommu" -g -F name,device_id,optional_revision
    echo "#------------------------------------------#"

    printf "
Press q to quit
"

    read -r -p "Which group number do you want to check?: " IOMMU_GROUP

   case "${IOMMU_GROUP}" in
       [1-9]*)
            exec "$SCRIPTDIR/lib/get_GPU_GROUP.sh" "$IOMMU_GROUP"
        ;;
       [Qq]*)
            echo "Aborted, your setup is incomplete!
DO NOT use any of the files from $SCRIPTDIR/config !
"
        ;;
       *)
            exec "$SCRIPTDIR/lib/get_GPU.sh"
        ;;
   esac
}

function main () {
    SCRIPTDIR=$(dirname "$(realpath "$0")" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")

    get_GPU
}

main