#!/bin/zsh

w=(999)  # define w as array element
w+=(1 5 7 3 100 555 222)  #add elements
echo $w
for (( i = 0; i <= ${#w[@]}; ++i )) do  #<= for the case of zsh
        echo "w[$i] = " ${w[$i]}
done


-----------------------------------
$ source array.sh        zshの場合
999 1 5 7 3 100 555 222　　$wは全部の要素のみらしい
w[0] =
w[1] =  999　　　[1] から始まる
w[2] =  1
w[3] =  5
w[4] =  7
w[5] =  3
w[6] =  100
w[7] =  555
w[8] =  222
----------------------------------
$ source array.sh        bashの場合
999         　　　　　　$wは最初の要素のみらしい
w[0] =  999　　　　　　[0] から始まる
w[1] =  1
w[2] =  5
w[3] =  7
w[4] =  3
w[5] =  100
w[6] =  555
w[7] =  222
w[8] =