How is a 6 MB file, with only 34,000 lines, considered "large" these days?
Smartphones from a couple of years ago already had multi-core, multi-GHz processors, and 2 GB or more of RAM. A 6 MB file would fit into memory well over a hundred times, even assuming lots of overhead.
Any moderately reasonable text editor should be able to handle a file of that size with total ease, at least for the basic operations.
I agree that it is not and was surprised that I had to search for a text editor that would handle that file nicely, provide syntax highlighting and allow me to do some regex search/replace.
Smartphones from a couple of years ago already had multi-core, multi-GHz processors, and 2 GB or more of RAM. A 6 MB file would fit into memory well over a hundred times, even assuming lots of overhead.
Any moderately reasonable text editor should be able to handle a file of that size with total ease, at least for the basic operations.