If you just need the info from top, for example, you can just run top in logging mode with a single sample: top -l 1

Most command line tools like top and ping can just do whatever it is then exit, you don't necessarily have to use them in interactive mode.

In reply to Re: Capturing output from a "moving" system call by saberworks
in thread Capturing output from a "moving" system call by DreamT

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