Add single line command to save screenshot to computer, close #33

README.en.md

@@ -1748,7 +1748,15 @@ Means set hide status bar in applications whoes package name is `com.package1` o
 
 ### Screenshots
 
-command:
+Take screenshot and save to computer:
+
+```sh
+adb exec-out screencap -p > sc.png
+```
+
+If your adb is old version, doesn't have `exec-out` command, then your can take screenshot like below:
+
+First, take screenshot and save to device:
 
 ```sh
 adb shell screencap -p /sdcard/sc.png
@@ -1769,7 +1777,7 @@ You can use the `adb shell screencap -h` See` help screencap` command, here are
 
 Found If you specify a file name can be omitted when the -p parameter to `.png` ending; otherwise you need to use the -p parameter. If you do not specify a file name, file contents screenshot will be directly output to stdout.
 
-Save screenshot file to computer with a single line command:
+Another method to save screenshot file to computer with a single line command:
 
 ```sh
 adb shell screencap -p | sed "s/\r$//" > sc.png

README.md

@@ -1755,7 +1755,15 @@ adb shell settings put global policy_control immersive.status=com.package1,com.p
 
 ### 屏幕截图
 
-命令：
+截图保存到电脑：
+
+```sh
+adb exec-out screencap -p > sc.png
+```
+
+如果 adb 版本较老，无法使用 `exec-out` 命令，这时候建议更新 adb 版本。无法更新的话可以使用以下麻烦点的办法：
+
+先截图保存到设备里：
 
 ```sh
 adb shell screencap -p /sdcard/sc.png
@@ -1776,7 +1784,7 @@ adb pull /sdcard/sc.png
 
 实测如果指定文件名以 `.png` 结尾时可以省略 -p 参数；否则需要使用 -p 参数。如果不指定文件名，截图文件的内容将直接输出到 stdout。
 
-直接一行命令截图并保存到电脑的方法：
+另外一种一行命令截图并保存到电脑的方法：
 
 *Linux 和 Windows*