In every file with filename matching pattern1 I want to search for lines which start with pattern2, and add some string in a new line above those matched lines. As a simple example suppose I'm ...
I'm attempting to use the commands found on http://devilsworkshop.org/tutorial/remove-evalbase64decode-malicious-code-grep-sed-commands-files-linux-server/55587/ to clean up a PHP eval based hack on a ...
I have a situation where I have some input files like this: M2U0001.MPG M2U0180.MPG And I want to run a command (in a bash shell) on each similarly named file in the directory. I'd like the ...
Basically, I'm wanting to automate adding something to xorg.conf in the right place, I've used some commands to get the line number of the line I want to manipulate, but I'm not really sure how to go ...