Shell 스 크 립 트 는 현재 디 렉 터 리 아래 디 렉 터 리 와 파일 의 수 를 집계 합 니 다.

 

#!/bin/bash

 

#     dir

#      fun_directory

 

fun_directory() {      

  let "filenum=0"

  let "dirnum=0"

  

for i in $( ls )

do

   if [ -d $i ]

   then

      let dirnum+=1

   else

      let filenum+=1

   fi

done

 

echo "The number of directorys is $dirnum"

echo "The number of files is $filenum"

 

}

 

#    

 

fun_directory

[root@localhost scripts]# pwd

/root/scripts

[root@localhost scripts]# ll |sort

drwxr-xr-x 2 root root 4096 06-12 10:44 charpter8

drwxr-xr-x 2 root root 4096 06-13 12:34 aaa

-rw-r--r-- 1 root root  105 06-13 08:56 file1

-rw-r--r-- 1 root root  106 06-12 14:24 8-9

-rw-r--r-- 1 root root  121 06-12 09:36 jiu

-rw-r--r-- 1 root root  133 06-13 11:09 temp

-rw-r--r-- 1 root root  210 06-12 13:40 8-8

-rw-r--r-- 1 root root  222 06-12 11:51 8-6

-rw-r--r-- 1 root root  247 06-12 11:35 8-5

-rw-r--r-- 1 root root  273 06-12 13:13 8-7

-rw-r--r-- 1 root root  292 06-12 10:57 8-1

-rw-r--r-- 1 root root  309 06-12 14:51 8-11

-rw-r--r-- 1 root root  314 06-12 15:01 8-17

-rw-r--r-- 1 root root  317 06-13 12:10 test

-rw-r--r-- 1 root root   51 06-12 11:00 8-2

-rw-r--r-- 1 root root   53 06-13 08:51 file

-rw-r--r-- 1 root root   67 06-13 10:17 10-4

-rw-r--r-- 1 root root   78 06-13 10:09 test.out

-rwxr-xr-x 1 root root  103 06-12 11:06 8-3

-rwxr-xr-x 1 root root  124 06-13 10:02 10-32

-rwxr-xr-x 1 root root  304 06-13 12:47 dir

-rwxr-xr-x 1 root root  316 06-12 11:21 8-4

#    

[root@localhost scripts]# sh dir

The number of directorys is 2

The number of files is 20

[root@localhost scripts]#