reload a file in DOS or Unix fileformat using e ++ff=dos or e +
+ff=unix if it is in mixed line-ending format, depending on whether
there are more lines with or without a trailing ^M.
It works well, but I sometimes want to force it to load one way or the
other, with an explicit :e ++ff=unix for example.
So, I'm trying to modify my autocmd to only act if I did not
explicitly specify the fileformat on the command-line. I've tried
using @:, but that does not seem to get updated until after my autocmd
fires. I've tried using getcmdline(), but that is invalid (and returns
an empty string) because the command-line is not currently being
edited when the autocmd fires.
My only other though is to set up a cnoremap <expr> mapping which maps
<CR> to a function which stores off the getcmdline() result to a
variable, then returns "\<CR>", so that it doesn't actually do
anything but allows access to the currently executing command.
I suspect this will work, but is there a better way?
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