Sorry, for trying to help.

My experiences of using IPC::Run on windows are dire. It is an over-engineered behemoth of a module that attempts to use *nix techniques to provide *nix capabilities on Windows, and fails dismally.

The point about winopen2 is that it provides you with a pair of selectable handles connected to the child process' STDIN & STDOUT.

As such, it is 'compatibile' with *nix-style code written using IPC::Open2 and select.

Ie. you'd only need do something like:

my( $in, $out );
if( $^O eq 'MSWin32' ) {
    ($in, $out ) = winopen2( $theCommand );
}
else {
    open2( $in, $out, $theCommand );
}

...

select .....
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But, its not in a module so ...