Vim 9.1.0847 + Portable
A fairly functional text editor with the ability to automate the process, download Vim below. There is both a convenient interface and a console mode. Can work with several files at once, there is a support for the unit code, you can compare two files, it is possible to illuquite syntax and so on.
You can also try: Process Lasso Pro 15.0.1.16
Download Vim 9.1.0847 x64 + Portable Free