Point taken
JavaFan - can't disagree with any of that - I was obviously in too much of a hurry to give it [my response] anything like a _decent_ coating of thinking about ... in which case I'd've done something similar.
Having said that, since system returns nothing except a return code c/w a signal number, > /dev/null is self-evidently superfluous.
Update:
In the light of the update from brother JavaFan, I refer the reader to my last response - which is self-prophesying since I self-evidently give that no thought either - my comment was true from the POV of view of returning output back to the script, but manifestly wrong from the user POV.
A user level that continues to overstate my experience :-))
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