1st commit

Usage of:
-system_profiler SPHardwareDataType
-system_profiler SPSoftwareDataType
-networksetup -listnetworkserviceorder

readme.md

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+# update-motd
+
+定期的に、macのシステム情報を/etc/motdへ反映します。
+
+## sample
+
+```txt
+Last login: Fri Jan  1 00:00:00 on ttys001
+
+             __  ___              ____                 __    ____               ___ ______
+            /  |/  /____ _ _____ / __ ) ____   ____   / /__ / __ \ _____ ____  <  // ____/
+           / /|_/ // __ `// ___// __  |/ __ \ / __ \ / //_// /_/ // ___// __ \ / //___ \  
+          / /  / // /_/ // /__ / /_/ // /_/ // /_/ // ,<  / ____// /   / /_/ // /____/ /  
+         /_/  /_/ \__,_/ \___//_____/ \____/ \____//_/|_|/_/    /_/    \____//_//_____/   
+                                                                                          
+Motd Updated          : 2021/01/01 00:00:00
+Hostname              : MacBookPro15.local
+Privte IP Address     : 192.168.1.1
+OS Info               : ProductName:	Mac OS X
+                        ProductVersion:	10.15.7
+                        BuildVersion:	19H114
+Hardware Info         : Model Identifier: MacBookPro15,2
+                        Processor Name: Quad-Core Intel Core i7
+                        Processor Speed: 2.7 GHz
+                        Total Number of Cores: 4
+                        Hyper-Threading Technology: Enabled
+                        Memory: 16 GB
+                        Activation Lock Status: Disabled
+Disk Used/Total       : 100G / 500G
+
+```
+
+## deps
+
+- /etc/motd
+
+  ```shell
+  sudo touch /etc/motd
+  sudo chmod 666 /etc/motd
+  ```
+
+- figlet
+
+  ```shell
+  brew install figlet
+  ```
+
+## install
+
+```shell
+git clone https://github.com/suwa-sh/update-motd.git ${HOME}/src/github.com/suwa-sh/update-motd
+cd ${HOME}/src/github.com/suwa-sh/update-motd
+make
+```
+
+## uninstall
+
+```shell
+make uninstall
+```