How to automate command line when specific application is launched?

Using Terminal Emulator and Macrodroid, an automation app

Create a macro in which the Trigger is launch application of your choice and action is Launch Shortcut where you choose Term Shortcut and key in the commands in the arguments . See Firelord's answer here for additional details Home screen icon for terminal program?

• To understand how MacroDroid works and required settings, my answer here




• See this to enter multiple commands Run 2 commands in the same line in terminal emulator ( since you mentioned you have a few lines of code not a single command )