本文共 1729 字，大约阅读时间需要 5 分钟。
seq的一些用法示例
参考：
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | [root@test200 ~] # seq -s " " -w 20 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 [root@test200 ~] # [root@test200 ~] # seq -w 20 |tr "\n" " " 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 [root@test200 ~] # [root@test200 ~] # [root@test200 ~] # echo {0..20} 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [root@test200 ~] # [root@test200 ~] # echo `seq -w 10` {11..20} 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 [root@test200 ~] # [root@test200 ~] # printf "%02d " $(echo {0..20}) 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 [root@test200 ~] # [root@test200 ~] # [root@test200 ~] # seq -s " " -f "%02g" 20 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 [root@test200 ~] # [root@test200 ~] # seq -f "%02g" 20 |xargs -n 20 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 [root@test200 ~] # [root@test200 ~] # for i in `seq -w 20`;do echo -n $i" "; done 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 [root@test200 ~] # [root@test200 ~] # [root@test200 ~] # for i in `seq 20`;do printf "%02d " $i; done 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 [root@test200 ~] # [root@test200 ~] # [root@test200 ~] # seq 20 |awk '{if (NR<10) printf '0'$0" ";else printf $1" "}' 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 [root@test200 ~] # [root@test200 ~] # [root@test200 ~] # seq 20 |sed 's/\(^[0-9]\)$/0\1/g' |tr "\n" " " 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 [root@test200 ~] # [root@test200 ~] # |