我创建目录
mkdir site_{1..44}。我想对它们进行排序
site_1
site_2
site_3
site_4
...
site_44
我执行命令
ls | sort -h并且我有
site_1
site_10
site_11
site_12
site_13
site_14
site_15
site_16
site_17
site_18
site_19
site_2
site_20
site_21
site_22
site_23
site_24
site_25
site_26
site_27
site_28
site_29
site_3
site_30
site_31
site_32
site_33
site_34
site_35
site_36
site_37
site_38
site_39
site_4
site_40
site_41
site_42
site_43
site_44
site_5
site_6
site_7
site_8
site_9
我哪里出错了？