在/ bin/sh中并行迭代两个列表

list1="a b c d"
list2="1 2 3 4"

paste <(echo "$list1") <(echo "$list2") | while read item1 item2; do
  echo "Item1: $item1, Item2: $item2"
done

list1="a b c d"
list2="1 2 3 4"

awk 'BEGIN {
  while (("echo " ARGV[1]) | getline item1) {
    getline item2 < ARGV[2]
    print item1, item2
  }
}' "$list1" "$list2"

list1="a b c d"
list2="1 2 3 4"

echo "$list1" | tr ' ' '\n' | pr -t -s" " - $list2