CosmOS
> do outer.script
> echo outer in block one
outer in block one
> do inner.script
> echo   inner one
inner one
> echo   inner two
inner two
> echo outer resumed in block one
outer resumed in block one
> do loop.script
> echo self
self
> do loop.script
> echo self
self
> do loop.script
> echo self
self
> do loop.script
> echo self
self
> do loop.script
do: scripts are only four deep
stopped: that line did not work
> exit
halted
Execution halted.
[exit 0]