This worked for me but I had to duplicate STDIN as well as the other two, pass the dup to open3 and close it afterwards if I wanted to call the subroutine with the open3 call more than once, else:
Carp::croak('open3: close(main::STDIN) failed: Bad file number') cal
+led at .../IPC/Open3.pm line 119
IPC::Open3::xclose('main::STDIN') called at .../IPC/Open3.pm line 23
+8
IPC::Open3::_open3('open3', 'main', '<&STDIN', 'GLOB(0xa8c04)', 'GLO
+B(0xa8c88)', 'pmem 2914') called at .../IPC/Open3.pm line 249
IPC::Open3::open3('<&STDIN', 'GLOB(0xa8c04)', 'GLOB(0xa8c88)', 'pmem
+ 2914') called at ...
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