for循环打印下面这句话中字母数不大于6的单词;
I am oldboy teacher welcome to oldboy traning class
#!/bin/bash num=0 array=(I am oldboy teacher welcome to oldboy traning class) for i in ${!array[*]}; do len=`echo ${array[$i]} | wc -m` if [ $len -le 6 ];then num=$[$num+1] fi done echo $num