awk 数组
awk -F: 'BEGIN { count = 0; } { name[count] = $1; count++; } END { for (i=0; i < NR; i++) { print i, name[i] } }' password 0 root
1 bin
2 daemon
3 adm
4 lp
5 sync
6 shutdown
7 halt
8 operator
awk 数组
awk -F: 'BEGIN { count = 0; } { name[count] = $1; count++; } END { for (i=0; i < NR; i++) { print i, name[i] } }' password 0 root
1 bin
2 daemon
3 adm
4 lp
5 sync
6 shutdown
7 halt
8 operator

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