Thun/docs/reference/grba.md

## grba Function A weird function used in [app2] that does this: ... 1 2 3 4 5 grba

   ... 1 2 3 [4 3 2 1 ...] 5

It grabs the stack under the top item, and substitutes it for the second item down on the stack.

Definition

[stack] [popd]

Discussion

This function "grabs" an item from the stack along with a copy of the stack. It's part of the [app2] definition.

Crosslinks

[app2]