方法1:bash
#!/bin/bash xcn=(i am xcn teacher welcome to xcn training class) for word in ${xcn[*]} do if [ ${#word} -le 6 ] then echo $word fi done 執行結果: [root@slave ~]# sh test2.sh i am xcn to xcn class
方法2:
ide
#!/bin/bash xcn=(i am xcn teacher welcome to xcn training class) for ((i=0;i<${#xcn[*]};i++)) do if [ ${#xcn[$i]} -le 6 ] then echo ${xcn[$i]} fi done 執行結果: [root@slave ~]# sh test3.sh i am xcn to xcn class
方法3:it
#!/bin/bash chars="i am xcn teacher welcome to xcn training class" for n in $chars do if [ ${#n} -le 6 ] then echo $n fi done 執行結果: [root@slave ~]# sh test4.sh i am xcn to xcn class