Now, you can use notepad, programmers notepad, or notepad ++ those are the 3 popular ones. But never use a word processor program for code files, it has hidden characters and will really mess up your files.
https://www.mythicsoft.com/agentransack
it is a search utility, you download and unpack oxwall and then point this to the oxwall files and do your searches. After a while you will get a hang of what to search for to find what your looking for. The oxwall script has every example you can think of, that is how we do it, we follow their lead... but we have to find it first. And i use this software, it has saved me zillions of hours.
Just put the search word in " like "word"
and the file location part of it
just do the main disk like c:\ and every time you put a \ it will show you that dir, then you just keep putting \ until you are in the oxwall dir
ok let me find the file for you that has to do with likes and comments on the wall
You have two things you ask for:
Newsfeed on the profile not to be site wide
Comments and Replies on wall posts, please tell me what exactly you mean by wall posts, can i see a screen shot please