Mac shell 调节音量
$ osascript -e 'get volume settings'
$ osascript -e 'output volume of (get volume settings)'
$ osascript -e 'set volume output volume 10' # 1-100
+V why_null 请备注:from博客园
$ osascript -e 'get volume settings'
$ osascript -e 'output volume of (get volume settings)'
$ osascript -e 'set volume output volume 10' # 1-100
+V atob('d2h5X251bGw=')
请备注:from博客园