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zzh@ZZHPC:~$ zsh
ZZHPC% arr=(aaa bbb ccc ddd)
ZZHPC% echo ${arr[0]}

ZZHPC% echo ${arr[1]}
aaa
ZZHPC%

# zsh index of array begins from 1.

 

zzh@ZZHPC:~$ arr=(aaa bbb ccc ddd)
zzh@ZZHPC:~$ echo ${arr[0]}
aaa

# bash index of array begins from 0.

 

zzh@ZZHPC:~$ arr=(aaa bbb ccc ddd)
zzh@ZZHPC:~$ brr=(${arr[@]:1})
zzh@ZZHPC:~$ crr=(${arr[@]:1:2})
zzh@ZZHPC:~$ drr=(${arr[@]:0:3})
zzh@ZZHPC:~$ echo ${arr[@]}
aaa bbb ccc ddd
zzh@ZZHPC:~$ echo ${brr[@]}
bbb ccc ddd
zzh@ZZHPC:~$ echo ${crr[@]}
bbb ccc
zzh@ZZHPC:~$ echo ${drr[@]}
aaa bbb ccc

 

zzh@ZZHPC:~$ zsh

[zzh@(ZZHPC):/home/zzh]$>arr=(aaa bbb ccc ddd)
[zzh@(ZZHPC):/home/zzh]$>brr=(${arr[@]:1})
[zzh@(ZZHPC):/home/zzh]$>crr=(${arr[@]:1:2})
[zzh@(ZZHPC):/home/zzh]$>drr=(${arr[@]:0:3})
[zzh@(ZZHPC):/home/zzh]$>echo ${arr[@]}
aaa bbb ccc ddd
[zzh@(ZZHPC):/home/zzh]$>echo ${brr[@]}
bbb ccc ddd
[zzh@(ZZHPC):/home/zzh]$>echo ${crr[@]}
bbb ccc
[zzh@(ZZHPC):/home/zzh]$>echo ${drr[@]}
aaa bbb ccc

# The results are the same.

# When slicing, the zsh index of array begins from 0.

posted on 2019-10-14 17:35  ZhangZhihuiAAA  阅读(317)  评论(0编辑  收藏  举报