If this is the case you may be able to trick it by using Expect or IPC::Run to run it on a pty so that it thinks it's being run interactively.

The cake is a lie.
The cake is a lie.
The cake is a lie.

In reply to Re^2: Diagnosing blocking io (or: finding the WHY of my Open2 woes). by Fletch
in thread Diagnosing blocking io (or: finding the WHY of my Open2 woes). by Socrates

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