📅  最后修改于: 2022-03-11 14:50:25.400000             🧑  作者: Mango
$ s='one_two_three_four_five'
$ A="$(cut -d'_' -f2 <<<"$s")"
$ echo "$A"
two
$ B="$(cut -d'_' -f4 <<<"$s")"
$ echo "$B"
four