What does source command actually do in bash?

Tanya Hills asked a question: What does source command actually do in bash?
Asked By: Tanya Hills
Date created: Mon, Jul 12, 2021 1:00 PM

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Top best answers to the question «What does source command actually do in bash»

  • When you "source" something in bash, it will execute each line of the file as is it were typed into the current shell. This is contrasted to actually executing the script, which will be run in a new shell. The setup.bash file is merely adding environment variables to your path to allow ROS to function.

FAQ

Those who are looking for an answer to the question «What does source command actually do in bash?» often ask the following questions:

😳 What is source command in bash?

The source command reads and executes commands from the file specified as its argument in the current shell environment. It is useful to load functions, variables, and configuration files into shell scripts. source is a shell built-in in Bash and other popular shells used in Linux and UNIX operating systems.

😳 What does the command source devel setup bash do?

  • The source command generally overwrites one another in the sense that if you have 2 separate cakin workspaces A and B, if you perform source devel/setup.bash in workspace A and then perform source devel/setup.bash in workspace B, the second command will override the first command and the packages in workspace A will not be available to you.

😳 What is the source command in bash?

  • Source is a bash shell built-in command that executes the content of the file passed as argument, in the current shell. Running the command source on a script executes the script within the context of the current process.

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