The benefit of bash is that it has system binaries as first class citizens; you can leverage the hundreds of thousands of lines of GNU projects with a single ke

The benefit of bash is that it has system binaries as first class citizens; you can leverage the hundreds of thousands of lines of GNU projects with a single keyword. It's hard to beat that expressiveness. Saying "Go is overall a much better language" is like saying a wrench is a better tool than a screwdriver. You should keep both in your toolbelt and switch out when the need arises. For your question, start with the regexp and os package, learn how to open a file, read in the contents, and then while iterating over the contents, apply a regex to the text. That should get you to the point that you can search plaintext for character strings. Good luck.