shell脚本遍历字符串中每个字符并打印

脚本内容：

#!/bin/bash
#by fuqiang
#2019-04-25

Str=("a" "b" "c" "d" "e")

for i in ${Str[@]}
do
  echo $i
done

#for (( i = 0 ; i < ${#Foo[@]} ; i++ ))
#do
#  echo ${Foo[$i]}
#done