合格linux運維人員必會的30道shell編程實踐題及講解-10

企業實踐題10：請用至少兩種方法實現！
bash for循環打印下面這句話中字母數不大於6的單詞(崑崙萬維面試題)。
I am oldboy teacher welcome to oldboy training class.

#!/bin/bash
array=(I am oldboy teacher welcome to oldboy training class.)
for i in ${array[*]}
do
    if [ ${#i} -le 6 ];then
       echo -n " $i"
    fi
done
echo