Add option to get help about script usage.

StoglRobotics / ros_team_workspace

RosTeamWorkspace is a framework for boosting collaboration in teams when developing software for robots using Robot Operating System (ROS1 and ROS2).

https://rtw.stoglrobotics.de

Apache License 2.0

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Add option to get help about script usage. #46

Open destogl opened 2 years ago

destogl commented 2 years ago

This is the start of a work on adding help to the scripts to fast display their usage to users.

@mamueluth can you please check this? What do you think? (Please also answer to the TODO comments in the code.)

This is an interesting source about exiting early: https://echorand.me/posts/bash-functions-exit/

mamueluth commented 2 years ago

Maybe we could beside the print_and_exit function add functions like: print_warning print_info .... Which print the given message in a defined way (e.g color coded). This way we would have a consistent coloring for given message types and could change adjust formatting of messages as needed.

destogl commented 2 years ago

And yes, probably to add additionally a function process_inputs for this general things.