Simple Black Box enables testing an application by checking it’s logs, standard out, ports it’s listening, number of processes etc. It will check for the presence of strings in it’s logs or stdout, and print messages. In case of an error, it can pause the appication to let the developer inspect the problem.
I needed to replace text in a large amount of files (thousands) on a Windows workstation. Using Windows built in search to look for the text and opening each file in an editor and then making the changes is tedious and not applicable for large amount of files.