Maybe an END block in the child could signal that the filehandle is gone?
Another approach would involve subclassing the filehandle .. ugh.
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Re^2: Detect whether a writeable filehandle has closed?
by jdporter (Canon) on Jan 13, 2021 at 17:57 UTC
by talexb (Canon) on Jan 14, 2021 at 14:43 UTC