How can I get the last changed content of a file, since its last read? Something more precise that this: tail - <nr >file_1.txt >file_2.txt where file_2.txt gets the last modified ...
So, let me start with the overall outcome that i want to achieve. There is just one log, which will have info on certain devices, that i am upgrading. I use "tailf log" to monitor the log. Now, ...