========== bash ==========

--- plain mode (bash ) ---
HAS_PIPEFAIL    = 1
HAS_ARRAY       = 1
HAS_EUO         = 1
HAS_EVAL        = 1
HAS_ASSOC_ARRAY = 1
HAS_DBLBRACK    = 1

--- interactive mode (bash -i) ---
HAS_PIPEFAIL    = 1
HAS_ARRAY       = 1
HAS_EUO         = 1
HAS_EVAL        = 1
HAS_ASSOC_ARRAY = 1
HAS_DBLBRACK    = 1

--- login+interactive mode (bash -il) ---
Welcome to Cloud Shell! Type "help" to get started.
To set your Cloud Platform project in this session use `gcloud config set project [PROJECT_ID]`.
You can view your projects by running `gcloud projects list`.
HAS_PIPEFAIL    = 1
HAS_ARRAY       = 1
HAS_EUO         = 1
HAS_EVAL        = 1
HAS_ASSOC_ARRAY = 1
HAS_DBLBRACK    = 1

========== zsh ==========

--- plain mode (zsh ) ---
HAS_PIPEFAIL    = 1
HAS_ARRAY       = 0
HAS_EUO         = 1
HAS_EVAL        = 1
HAS_ASSOC_ARRAY = 1
HAS_DBLBRACK    = 1

--- interactive mode (zsh -i) ---
HAS_PIPEFAIL    = 1
HAS_ARRAY       = 0
HAS_EUO         = 1
HAS_EVAL        = 1
HAS_ASSOC_ARRAY = 1
HAS_DBLBRACK    = 1

--- login+interactive mode (zsh -il) ---
HAS_PIPEFAIL    = 1
HAS_ARRAY       = 0
HAS_EUO         = 1
HAS_EVAL        = 1
HAS_ASSOC_ARRAY = 1
HAS_DBLBRACK    = 1

========== sh ==========

--- plain mode (sh ) ---
HAS_PIPEFAIL    = 1
HAS_ARRAY       = 1
HAS_EUO         = 1
HAS_EVAL        = 1
HAS_ASSOC_ARRAY = 1
HAS_DBLBRACK    = 1

--- interactive mode (sh -i) ---
HAS_PIPEFAIL    = 1
HAS_ARRAY       = 1
HAS_EUO         = 1
HAS_EVAL        = 1
HAS_ASSOC_ARRAY = 1
HAS_DBLBRACK    = 1

--- login+interactive mode (sh -il) ---
Welcome to Cloud Shell! Type "help" to get started.
To set your Cloud Platform project in this session use `gcloud config set project [PROJECT_ID]`.
You can view your projects by running `gcloud projects list`.
HAS_PIPEFAIL    = 1
HAS_ARRAY       = 1
HAS_EUO         = 1
HAS_EVAL        = 1
HAS_ASSOC_ARRAY = 1
HAS_DBLBRACK    = 1