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  • ... or use the list of positional parameters, first set -- before the loop, then set -- "$$@" "$$fifo" for the += line, and then use "$$@" instead of the named array further down. That would make it "more portable" :-) Commented Feb 12 at 22:58
  • @Kusalananda Note that that's only safe because we assume that mktemp won't return filenames with whitespace. Commented Feb 13 at 15:42
  • @Barmar are you sure? It’s quoted properly… Commented Feb 13 at 15:47
  • Right. Whitespace isn't a problem, but double quotes in the filename would be. Commented Feb 13 at 16:00
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    @Kusalananda Right again. It's easy to get lost in the nesting of expansions. Commented Feb 13 at 17:33