Knowing Which Stacks Are In Memory
In Revolution a stack file that is stored on disk contains a single main stack. If the stack file is accessed in your program then the main stack and it's substacks are loaded into memory. There are various ways to access a stack file. The following examples will all load the main stack in a stack file into memory:
put the uVersion of stack "/path/to/stack.rev" into theVersion
go stack "/path/to/stack.rev"
put there is a stack "/path/to/stack.rev" into theStackExists
Below you will find a function that will the name of all stacks that are currently loaded in memory.
Listing Stacks in Memory
function StacksInMemory
local theStack,theStacksInMemory,theSubstack
repeat for each line theStack in the mainstacks
put theStack & cr after theStacksInMemory
repeat for each line theSubstack in the substacks of stack theStack
put theSubstack & cr after theStacksInMemory
end repeat
end repeat
delete the last char of theStacksInMemory
return theStacksinMemory
end StacksInMemory
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