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  • Think I'd be asking this question if I didn't wholeheartedly believe that? :) Commented Jun 21, 2021 at 23:20
  • believe what? that it's simple to add two arrays in bash? or that you should use any language that isn't a shell? Commented Jun 21, 2021 at 23:21
  • I was referring to your last few paragraphs, pointing out that I probably shouldn't be doing this in bash. Commented Jun 21, 2021 at 23:30
  • Now to the content of your answer, I'm a little confused by the last two lines of your code sample. It appears you said to type "typeset -p a". From what I can tell, there is no "-p" option for "typeset". I would think it is "-a", not "-p". Curiously, if I change it to "-a", it makes my sample break. I'll have to update the main post with details. Commented Jun 21, 2021 at 23:32
  • 1
    @DavidM.Karr typeset is a synonym for declare. See help declare in your bash shell. -p prints the attributes of a. Commented Jun 21, 2021 at 23:44