Inputs

-f the folder id under which all projects should be linked to the new target billing account, the option is mutually exclusive with -o

-o for organization ID, the option is mutually exclusive with -f

-t the target billing account id

-p for reviewing the planned changes

-a for bulk updating the projects

Example plan execution

bash bulk_change_billing_account.sh -f 123456789012 -t 012ABC-012ABC-012ABC -p

Example apply execution

bash bulk_change_billing_account.sh -f 123456789012 -t 012ABC-012ABC-012ABC -a

Example execution for a whole organization

bash bulk_change_billing_account.sh -o 123456789012 -t 012ABC-012ABC-012ABC -a