Re: real time open(HANDLE,"cmd |");

I think that it's cmd buffering its output, so here's not too much you can do in perl. Fix cmd to flush it's buffer after every output operation if you can.

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Re^2: real time open(HANDLE,"cmd \|"); by ikegami (Patriarch) on Nov 07, 2009 at 23:21 UTC
About the only thing you can do is fool the program into thinking its connected to a tty rather than a pipe. That will cause most programs to use line buffering. Look into using a pseudo tty. IPC::Run can help there.	[reply]
Re^3: real time open(HANDLE,"cmd \|"); by Anonymous Monk on Dec 28, 2012 at 13:40 UTC
A windows console handle (CONIN$, CONOUT$) is not a pipe handle, it is a character device file handle (TTY handle) to the console input buffer or a console output buffer.	[reply]