Search for content in files in linux (recursively and case-independent)

Problem

You would like to find the files that contain some specific text, and would like to do it recursively (ie in a project folder), using something simpler than the find command.

Solution

You can use the following in your current top folder to search recursively, case-independent and by displaying the file number that the searched text appears, with the following:

Search for specific string in files/directories with line number in linux

Problem

You want to search in a directory or some files for a specific string and you also want to know the number in the file that the text is found.

Solution

Use grep with the -n for the line number and the -r for directory search as in the following: