[Haskell-cafe] Using Acid-State for IPC?

[Dmitri O.Kondratiev]

Hi,
I am wondering if Acid-State (http://hackage.haskell.org/package/acid-state)
can be used to share data between processes running in different address
spaces?
For example, one demon system process (not thread!) periodically collects
data from Web and stores it in a list. On regular intervals this process
checkpoints the list to a disk file.
Another independent process randomly starts and reads this list from the
checkpoint file.
Can this simple scenario be done with Acid-State? Any conflicts accessing
checkpoint file from two system processes simultaneously?
What other Haskell libs can be used for such a task?

Thanks!
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