Re^3: How to know the status of a command invoked by open function?

I know what the meaning of $?. but for my case. I used open to run an external program

Comment on Re^3: How to know the status of a command invoked by open function?

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Re^4: How to know the status of a command invoked by open function? by ikegami (Patriarch) on Aug 16, 2011 at 00:54 UTC
Yes, but the Anonymous Monk to which I replied didn't. He's right that `close PS;` should be `close PS or die $!;`, but it won't change the result. Note that by "system command", he meant "system calls", not the `system` builtin.	[reply] [d/l] [select]