diffstat
===

diff

## 

**diffstat** diffdiff`|`diffdiffstat

###  

```shell
diffstat()()
```

###  

```shell
-n
-p-n
-w
-v
```

###  

diff

###  

"test1""test2""testf.txt"diffdiffstat

```shell
diff test1 test2 | diffstat    #
```



cat

```shell
cat test1/testf.txt           #test1/testf
abc
def
ghi
jkl
mno
pqr
stu
vws

cat test2/testf.txt          #test2/testf
abc
def
ghi
jkl
mno
```



```shell
testfile | 2 +-             #
1 file changed, 1 insertion(+), 1 deletion(-)
```