This should be pretty simple, but I am not figuring it out. I have a large code base more than 4GB under Linux. A few header files and xml files are generated during build (usin
To find 'pattern' in all files newer than some_file in the current directory and its sub-directories recursively:
find -newer some_file -type f -exec grep 'pattern' {} +
You could specify the timestamp directly in date -d format and use other find tests e.g., -name, -mmin.
The file list could also be generate by your build system if find is too slow.
More specific tools such as ack, etags, GCCSense might be used instead of grep.