OperatingSystem: Folders and files

- [Instructor] I personally find…the operating system library to be very valuable…for doing test automation.…Since it comes with the built-in libraries…from Robot Framework, there is nothing to install,…and this library gives you the ability…to manipulate files and directories,…environment variables, things like that.…So with files you can create, copy, move,…delete, read, write, append.…You can get a list of files in a directory,…you can get and set modified times for files,…and that includes doing variable date time formatting,…if you wish.…

You can split the extension from a file name,…so you can get even the name of the file or the extension.…For directories you can create, copy, move, and delete,…you can count files within a directory,…you can ask that the directory should be empty,…you could list directories so you know…how many directories are inside another directory,…and again, you can split the path for a directory…so you can break out the various chunks of the path.…You can get and set environment variables,…